<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:aa177892-95b2-49dd-bad0-522204c1943d,g:6813aae9-f482-4887-b49c-689fdf502e49-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.lpl.com/role/ConsolidatedStatementsofIncome" xlink:type="simple" xlink:href="lpla-20231231.xsd#ConsolidatedStatementsofIncome"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/ConsolidatedStatementsofIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_74f176ce-d110-4887-9ba4-e2a82f882af5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_AdvisoryRevenue_5e866b68-3e92-4a70-889a-c6e537db38c0" xlink:href="lpla-20231231.xsd#lpla_AdvisoryRevenue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_74f176ce-d110-4887-9ba4-e2a82f882af5" xlink:to="loc_lpla_AdvisoryRevenue_5e866b68-3e92-4a70-889a-c6e537db38c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BrokerageCommissionsRevenue_953e3b25-e4ba-4191-8051-bf49fab6ae87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BrokerageCommissionsRevenue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_74f176ce-d110-4887-9ba4-e2a82f882af5" xlink:to="loc_us-gaap_BrokerageCommissionsRevenue_953e3b25-e4ba-4191-8051-bf49fab6ae87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_AssetBasedFeesRevenue_6221f9a6-687e-4a6c-9b0b-d8c0611f18ac" xlink:href="lpla-20231231.xsd#lpla_AssetBasedFeesRevenue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_74f176ce-d110-4887-9ba4-e2a82f882af5" xlink:to="loc_lpla_AssetBasedFeesRevenue_6221f9a6-687e-4a6c-9b0b-d8c0611f18ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_ServiceAndFeeRevenue_5b3ed098-88ed-480d-b9ea-fac049dfb6c1" xlink:href="lpla-20231231.xsd#lpla_ServiceAndFeeRevenue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_74f176ce-d110-4887-9ba4-e2a82f882af5" xlink:to="loc_lpla_ServiceAndFeeRevenue_5b3ed098-88ed-480d-b9ea-fac049dfb6c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_TransactionAndOtherFees_54434699-bd6f-421e-9a89-37ceca33a140" xlink:href="lpla-20231231.xsd#lpla_TransactionAndOtherFees"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_74f176ce-d110-4887-9ba4-e2a82f882af5" xlink:to="loc_lpla_TransactionAndOtherFees_54434699-bd6f-421e-9a89-37ceca33a140" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeOperating_a4e9d893-b405-4948-b2d8-c87833fa1f06" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestIncomeOperating"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_74f176ce-d110-4887-9ba4-e2a82f882af5" xlink:to="loc_us-gaap_InterestIncomeOperating_a4e9d893-b405-4948-b2d8-c87833fa1f06" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIncome_058892a9-2e8c-4935-9397-b19bfb0baea5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherIncome"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_74f176ce-d110-4887-9ba4-e2a82f882af5" xlink:to="loc_us-gaap_OtherIncome_058892a9-2e8c-4935-9397-b19bfb0baea5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_1936e14a-eb1f-41a9-892a-90babe449172" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a41c2a8c-fbef-4fb9-ad1b-42fe480a4fa7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_1936e14a-eb1f-41a9-892a-90babe449172" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a41c2a8c-fbef-4fb9-ad1b-42fe480a4fa7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_44f3a05f-e9da-4f4c-91d0-e77ba80cea7b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_1936e14a-eb1f-41a9-892a-90babe449172" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_44f3a05f-e9da-4f4c-91d0-e77ba80cea7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommunicationsAndInformationTechnology_92f6fdc1-ae57-4a3d-8801-838c97c9443e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommunicationsAndInformationTechnology"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_us-gaap_CommunicationsAndInformationTechnology_92f6fdc1-ae57-4a3d-8801-838c97c9443e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_2fbe7c68-1c90-43dc-b2e2-fbed30c4285f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_us-gaap_DepreciationAndAmortization_2fbe7c68-1c90-43dc-b2e2-fbed30c4285f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FloorBrokerageExchangeAndClearanceFees_4543b1a7-5c02-4feb-aa2e-01e33d1523e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FloorBrokerageExchangeAndClearanceFees"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_us-gaap_FloorBrokerageExchangeAndClearanceFees_4543b1a7-5c02-4feb-aa2e-01e33d1523e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_fd96312f-dce5-4d6e-a96d-ed76d69e468d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_fd96312f-dce5-4d6e-a96d-ed76d69e468d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OccupancyNet_e68737f5-fb32-4674-9547-44c0c3205780" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OccupancyNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_us-gaap_OccupancyNet_e68737f5-fb32-4674-9547-44c0c3205780" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_CommissionsAndAdvisoryFees_350d2d09-d09c-486a-bf4c-a2d3dadbc84e" xlink:href="lpla-20231231.xsd#lpla_CommissionsAndAdvisoryFees"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_lpla_CommissionsAndAdvisoryFees_350d2d09-d09c-486a-bf4c-a2d3dadbc84e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_PromotionalExpenses_8d81abc9-76cc-4b1a-ad82-64ec1aa3b9de" xlink:href="lpla-20231231.xsd#lpla_PromotionalExpenses"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_lpla_PromotionalExpenses_8d81abc9-76cc-4b1a-ad82-64ec1aa3b9de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_059f883e-f9c2-4baf-acd6-2268efbfebc8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpenseDebt"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_us-gaap_InterestExpenseDebt_059f883e-f9c2-4baf-acd6-2268efbfebc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfessionalFees_61cbaf05-c8a2-4f77-8de3-9e3c0d69558e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfessionalFees"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_us-gaap_ProfessionalFees_61cbaf05-c8a2-4f77-8de3-9e3c0d69558e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_f1a11476-a55b-426d-87b1-1dc6b0af0e9d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_f1a11476-a55b-426d-87b1-1dc6b0af0e9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense_055ab036-53c9-474a-b3ef-ea5234cbeba2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_us-gaap_LaborAndRelatedExpense_055ab036-53c9-474a-b3ef-ea5234cbeba2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherExpenses_7b601162-c83a-4337-8ef5-b829b3741792" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherExpenses"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_267b8db8-d21c-4c92-8275-478ef72c4d70" xlink:to="loc_us-gaap_OtherExpenses_7b601162-c83a-4337-8ef5-b829b3741792" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_9bea3b82-4cd8-4361-85f4-49c2f05b860a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_53c26bc7-fbfa-4ab9-8934-b011f665c329" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_9bea3b82-4cd8-4361-85f4-49c2f05b860a" xlink:to="loc_us-gaap_CostsAndExpenses_53c26bc7-fbfa-4ab9-8934-b011f665c329" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_2bc731c0-2ced-4b4d-9301-4e5a07627291" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_9bea3b82-4cd8-4361-85f4-49c2f05b860a" xlink:to="loc_us-gaap_Revenues_2bc731c0-2ced-4b4d-9301-4e5a07627291" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/ConsolidatedStatementsofFinancialCondition" xlink:type="simple" xlink:href="lpla-20231231.xsd#ConsolidatedStatementsofFinancialCondition"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/ConsolidatedStatementsofFinancialCondition" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_62b70e88-69d0-4445-9a88-977217e58c19" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_62b70e88-69d0-4445-9a88-977217e58c19" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations_c0e879e9-7f8f-476c-b62a-23e335e268c5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations_c0e879e9-7f8f-476c-b62a-23e335e268c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_098e0fc9-114a-4911-80b1-cdbbd0302c6c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_098e0fc9-114a-4911-80b1-cdbbd0302c6c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesFromCustomers_ebe43e73-00ea-4455-96ac-cbaecb86ea75" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivablesFromCustomers"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_ReceivablesFromCustomers_ebe43e73-00ea-4455-96ac-cbaecb86ea75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_383e9a7f-affe-4c08-9dd0-7b3ff958812b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_383e9a7f-affe-4c08-9dd0-7b3ff958812b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableNet_e06b49da-5f5c-4f56-b53c-90a3551c6743" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NotesReceivableNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_NotesReceivableNet_e06b49da-5f5c-4f56-b53c-90a3551c6743" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_66a304e7-f7bb-4763-8a44-022cb8c8c4ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherReceivablesNetCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_66a304e7-f7bb-4763-8a44-022cb8c8c4ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecurities_1f790918-3e86-44c5-ae6d-f92cb68f8377" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtSecurities"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_DebtSecurities_1f790918-3e86-44c5-ae6d-f92cb68f8377" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_f9b53d68-eb55-4f3f-a589-47d756321f48" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_f9b53d68-eb55-4f3f-a589-47d756321f48" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_1c91d376-4e9f-4bc5-9075-35febc01223a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_Goodwill_1c91d376-4e9f-4bc5-9075-35febc01223a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_49cd160c-4f64-4619-9877-427c5396d97f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_49cd160c-4f64-4619-9877-427c5396d97f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_570ca54e-274a-404a-90ef-b02a770c4962" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssets"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e35e6a0d-9276-426e-9015-dff5b93f1646" xlink:to="loc_us-gaap_OtherAssets_570ca54e-274a-404a-90ef-b02a770c4962" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_17b6c86f-4d5d-4a0d-b9b2-aaf341b0abbf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_ef7e47f9-d549-4867-a51b-40d2d031d6a9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_17b6c86f-4d5d-4a0d-b9b2-aaf341b0abbf" xlink:to="loc_us-gaap_Liabilities_ef7e47f9-d549-4867-a51b-40d2d031d6a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_a73425c1-5b34-49be-9477-43a29c9158c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_17b6c86f-4d5d-4a0d-b9b2-aaf341b0abbf" xlink:to="loc_us-gaap_StockholdersEquity_a73425c1-5b34-49be-9477-43a29c9158c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_2840d467-d1d7-4c6a-8a5d-d7d09afd480c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_25c14927-a618-45e5-ba89-c8480b16c2dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_2840d467-d1d7-4c6a-8a5d-d7d09afd480c" xlink:to="loc_us-gaap_CommonStockValue_25c14927-a618-45e5-ba89-c8480b16c2dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_5e8803c6-a5b0-4355-a8f5-2b7aa029f5a0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_2840d467-d1d7-4c6a-8a5d-d7d09afd480c" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_5e8803c6-a5b0-4355-a8f5-2b7aa029f5a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_adf8c61d-f103-4a85-9751-f758f899a0e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockValue"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_2840d467-d1d7-4c6a-8a5d-d7d09afd480c" xlink:to="loc_us-gaap_TreasuryStockValue_adf8c61d-f103-4a85-9751-f758f899a0e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_295483a7-2720-469f-a53d-c6ddb26d6d0e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_2840d467-d1d7-4c6a-8a5d-d7d09afd480c" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_295483a7-2720-469f-a53d-c6ddb26d6d0e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_7dcecd77-3a78-4783-a8f1-1d902c0e2185" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_PayablesToCustomers_ddd0dd8d-d73d-4f63-830b-a458b70caa73" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_PayablesToCustomers"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_7dcecd77-3a78-4783-a8f1-1d902c0e2185" xlink:to="loc_srt_PayablesToCustomers_ddd0dd8d-d73d-4f63-830b-a458b70caa73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_PayablesToBrokerDealersAndClearingOrganizations_3fece82e-ba49-4912-bada-c0951c94c390" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_PayablesToBrokerDealersAndClearingOrganizations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_7dcecd77-3a78-4783-a8f1-1d902c0e2185" xlink:to="loc_srt_PayablesToBrokerDealersAndClearingOrganizations_3fece82e-ba49-4912-bada-c0951c94c390" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_AccruedCommissionsAndAdvisoryFeesPayable_d4946bda-2971-4978-89bf-712cfa025d76" xlink:href="lpla-20231231.xsd#lpla_AccruedCommissionsAndAdvisoryFeesPayable"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_7dcecd77-3a78-4783-a8f1-1d902c0e2185" xlink:to="loc_lpla_AccruedCommissionsAndAdvisoryFeesPayable_d4946bda-2971-4978-89bf-712cfa025d76" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_42901e84-ea2e-4216-b75e-2e13d2070996" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_7dcecd77-3a78-4783-a8f1-1d902c0e2185" xlink:to="loc_us-gaap_LongTermDebt_42901e84-ea2e-4216-b75e-2e13d2070996" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_c93911cc-029d-4e93-8e07-a669929114d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_7dcecd77-3a78-4783-a8f1-1d902c0e2185" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_c93911cc-029d-4e93-8e07-a669929114d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_c5f724ff-64d6-4ce9-ae96-7390e9443233" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilities"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_7dcecd77-3a78-4783-a8f1-1d902c0e2185" xlink:to="loc_us-gaap_OtherLiabilities_c5f724ff-64d6-4ce9-ae96-7390e9443233" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/ConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="lpla-20231231.xsd#ConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/ConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPayablesToBrokerDealers_e0395226-5643-4097-9481-a95e1f37e0c5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInPayablesToBrokerDealers"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_IncreaseDecreaseInPayablesToBrokerDealers_e0395226-5643-4097-9481-a95e1f37e0c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInBrokerageReceivables_f887e2d2-3909-4ef1-8d7b-9e75505a0349" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInBrokerageReceivables"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_IncreaseDecreaseInBrokerageReceivables_f887e2d2-3909-4ef1-8d7b-9e75505a0349" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_344ae4ef-8bf1-4c98-ba41-61a4ac68736c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_344ae4ef-8bf1-4c98-ba41-61a4ac68736c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_IncreaseDecreaseInOperatingLeaseAssets_b62fbdf6-dcf5-42e6-aa9e-d5f3f4368883" xlink:href="lpla-20231231.xsd#lpla_IncreaseDecreaseInOperatingLeaseAssets"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_lpla_IncreaseDecreaseInOperatingLeaseAssets_b62fbdf6-dcf5-42e6-aa9e-d5f3f4368883" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_ChangesInAccruedCommissionsAndAdvisoryFeesPayable_baa70fab-9134-4ae9-983b-1067ed5a8dc9" xlink:href="lpla-20231231.xsd#lpla_ChangesInAccruedCommissionsAndAdvisoryFeesPayable"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_lpla_ChangesInAccruedCommissionsAndAdvisoryFeesPayable_baa70fab-9134-4ae9-983b-1067ed5a8dc9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_cfe633a3-0a96-4fd5-8f28-a9d2ead6cce7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_cfe633a3-0a96-4fd5-8f28-a9d2ead6cce7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_0f2a0a0f-9212-43e8-ba0c-cb0e68ed1911" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_NetIncomeLoss_0f2a0a0f-9212-43e8-ba0c-cb0e68ed1911" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_LoanForgiveness_e4696086-d20a-4fed-a795-00ac80d21ec8" xlink:href="lpla-20231231.xsd#lpla_LoanForgiveness"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_lpla_LoanForgiveness_e4696086-d20a-4fed-a795-00ac80d21ec8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInTradingSecurities_ba5c47cd-be00-4827-8afe-124e07e1b4a5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInTradingSecurities"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_IncreaseDecreaseInTradingSecurities_ba5c47cd-be00-4827-8afe-124e07e1b4a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_87012f10-ffef-4913-a814-602c774fac3e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_Depreciation_87012f10-ffef-4913-a814-602c774fac3e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherReceivables_7fa62bfc-36ff-4d75-ac78-283b0f04821d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherReceivables"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherReceivables_7fa62bfc-36ff-4d75-ac78-283b0f04821d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_c7dcf2dd-2e7f-459d-85a9-5d664cbc7fb1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_c7dcf2dd-2e7f-459d-85a9-5d664cbc7fb1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_25b3e13d-deb1-4d45-b994-a16b42e411fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_25b3e13d-deb1-4d45-b994-a16b42e411fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_f30e0a1d-6acd-4967-bd80-7dc90bce6f6e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_f30e0a1d-6acd-4967-bd80-7dc90bce6f6e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_ab3c7cde-c6f0-493f-a40c-c6f42a8001fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_ab3c7cde-c6f0-493f-a40c-c6f42a8001fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_25b873c3-75bb-497b-a01f-81068258b3d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_ShareBasedCompensation_25b873c3-75bb-497b-a01f-81068258b3d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_187836ca-71e9-44ca-a382-1d522cd82411" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="17" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_187836ca-71e9-44ca-a382-1d522cd82411" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_IncreaseDecreasePayablesToClients_ef1c87bf-50bd-46d8-85ed-8c6e79f669e6" xlink:href="lpla-20231231.xsd#lpla_IncreaseDecreasePayablesToClients"/>
    <link:calculationArc order="18" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_lpla_IncreaseDecreasePayablesToClients_ef1c87bf-50bd-46d8-85ed-8c6e79f669e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_94aa2955-cdfb-4613-9839-3158e07e635b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="19" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_94aa2955-cdfb-4613-9839-3158e07e635b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherLoans_ab8850f8-8934-47b8-84c0-98f8f72b50c0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherLoans"/>
    <link:calculationArc order="20" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherLoans_ab8850f8-8934-47b8-84c0-98f8f72b50c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_IncreaseDecreaseReceivablesFromClients_a743d1c8-ba53-4164-b4f0-c2dfe97de5b0" xlink:href="lpla-20231231.xsd#lpla_IncreaseDecreaseReceivablesFromClients"/>
    <link:calculationArc order="21" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_lpla_IncreaseDecreaseReceivablesFromClients_a743d1c8-ba53-4164-b4f0-c2dfe97de5b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_6ac2ff20-fd47-4738-a6f6-d34e0a4a3f71" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="22" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6c1aeabc-98eb-4d3c-ada4-736e567b0d68" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_6ac2ff20-fd47-4738-a6f6-d34e0a4a3f71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_4c69a834-8a36-4a89-aacc-88ecdabec8f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_05be68d6-3d8a-4bc7-bbea-aaaaba6c4915" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_4c69a834-8a36-4a89-aacc-88ecdabec8f7" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_05be68d6-3d8a-4bc7-bbea-aaaaba6c4915" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_edcb476d-5311-4d3d-9873-19bbeefbd468" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_4c69a834-8a36-4a89-aacc-88ecdabec8f7" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_edcb476d-5311-4d3d-9873-19bbeefbd468" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_PaymentsToAcquireInvestmentsOther_67b9cea7-30e2-4fc9-ab5a-937785abb526" xlink:href="lpla-20231231.xsd#lpla_PaymentsToAcquireInvestmentsOther"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_4c69a834-8a36-4a89-aacc-88ecdabec8f7" xlink:to="loc_lpla_PaymentsToAcquireInvestmentsOther_67b9cea7-30e2-4fc9-ab5a-937785abb526" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_69f301f7-f41c-40ba-ab45-ae398cfdb4e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_4c69a834-8a36-4a89-aacc-88ecdabec8f7" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_69f301f7-f41c-40ba-ab45-ae398cfdb4e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_2eabb1e3-2dbe-4071-b06c-e076ea01a922" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireHeldToMaturitySecurities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_4c69a834-8a36-4a89-aacc-88ecdabec8f7" xlink:to="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_2eabb1e3-2dbe-4071-b06c-e076ea01a922" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_11ca3c7f-42ed-4bfc-9964-995b9064ee47" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_11ca3c7f-42ed-4bfc-9964-995b9064ee47" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_3775b4f1-5424-4db5-991c-97db29faad00" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_3775b4f1-5424-4db5-991c-97db29faad00" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_de0fdd12-3425-4eb6-b166-3d124c97c5a6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfLinesOfCredit"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_de0fdd12-3425-4eb6-b166-3d124c97c5a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_a06ecd8f-91b7-4540-b7b7-3286c6d2fa94" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDividends"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_PaymentsOfDividends_a06ecd8f-91b7-4540-b7b7-3286c6d2fa94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_e6930359-09e2-4a46-be58-35c61ca8ceb4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_e6930359-09e2-4a46-be58-35c61ca8ceb4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSecuredDebt_c95da6ca-f4ce-41fd-8d42-d798b21a747a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfSecuredDebt"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_RepaymentsOfSecuredDebt_c95da6ca-f4ce-41fd-8d42-d798b21a747a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfUnsecuredDebt_69ebf351-430a-4c45-8974-e003473e316d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfUnsecuredDebt"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_RepaymentsOfUnsecuredDebt_69ebf351-430a-4c45-8974-e003473e316d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_909b2979-180e-43ca-9a33-ef61a6faef6e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_909b2979-180e-43ca-9a33-ef61a6faef6e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_65529163-bb47-4579-9c05-aea2b9f98a21" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_65529163-bb47-4579-9c05-aea2b9f98a21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_b9f8b58b-0779-4a5b-916a-d095cd9a64f4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_b9f8b58b-0779-4a5b-916a-d095cd9a64f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_8e66bc23-4d0c-4cb6-b094-a79014ad9ede" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_8e66bc23-4d0c-4cb6-b094-a79014ad9ede" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_PaymentofLeaseholdFinancingObligation_182fac33-75b1-4712-af7d-cfd6657b88a9" xlink:href="lpla-20231231.xsd#lpla_PaymentofLeaseholdFinancingObligation"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_lpla_PaymentofLeaseholdFinancingObligation_182fac33-75b1-4712-af7d-cfd6657b88a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_42cb3dbd-da8e-4d00-aad5-e2336ff79865" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1718543c-25bb-47b4-ad80-0479ed2dd7b4" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_42cb3dbd-da8e-4d00-aad5-e2336ff79865" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_6aaaa0c1-3c34-4671-ba86-0bf45c3cf9ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_bfd22491-b548-4cb6-af9d-b8566bd14aef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_6aaaa0c1-3c34-4671-ba86-0bf45c3cf9ae" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_bfd22491-b548-4cb6-af9d-b8566bd14aef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_9e6dc73c-862a-482e-9df6-92f08444adab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_6aaaa0c1-3c34-4671-ba86-0bf45c3cf9ae" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_9e6dc73c-862a-482e-9df6-92f08444adab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_604245e0-0985-43ea-91c0-975a093e5e80" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_6aaaa0c1-3c34-4671-ba86-0bf45c3cf9ae" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_604245e0-0985-43ea-91c0-975a093e5e80" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/ConsolidatedStatementsofCashFlowsCashCashEquivalentsandRestrictedCashReconciliation" xlink:type="simple" xlink:href="lpla-20231231.xsd#ConsolidatedStatementsofCashFlowsCashCashEquivalentsandRestrictedCashReconciliation"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/ConsolidatedStatementsofCashFlowsCashCashEquivalentsandRestrictedCashReconciliation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_f00da7b0-6451-4a51-b485-2835e5df64b8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_1fc497d6-eef5-42af-9608-baa92a7f289b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_f00da7b0-6451-4a51-b485-2835e5df64b8" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_1fc497d6-eef5-42af-9608-baa92a7f289b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations_0b61a880-2645-47bb-871d-77df4b633894" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_f00da7b0-6451-4a51-b485-2835e5df64b8" xlink:to="loc_us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations_0b61a880-2645-47bb-871d-77df4b633894" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_f79f6761-2908-400c-9f86-018dc4e861c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_f00da7b0-6451-4a51-b485-2835e5df64b8" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_f79f6761-2908-400c-9f86-018dc4e861c7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/InvestmentSecuritiesSummaryDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#InvestmentSecuritiesSummaryDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/InvestmentSecuritiesSummaryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_fb817c7c-88e5-46ee-8cca-cb2646ebff91" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradingSecurities_142c2965-d0f5-4484-b04e-c32d9b8bcd5c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TradingSecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ShortTermInvestments_fb817c7c-88e5-46ee-8cca-cb2646ebff91" xlink:to="loc_us-gaap_TradingSecurities_142c2965-d0f5-4484-b04e-c32d9b8bcd5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecurities_bbb36eb5-0c0c-4ff2-8e37-10d06f79b8d9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HeldToMaturitySecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ShortTermInvestments_fb817c7c-88e5-46ee-8cca-cb2646ebff91" xlink:to="loc_us-gaap_HeldToMaturitySecurities_bbb36eb5-0c0c-4ff2-8e37-10d06f79b8d9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/InvestmentSecuritiesHeldtoMaturityDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#InvestmentSecuritiesHeldtoMaturityDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/InvestmentSecuritiesHeldtoMaturityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_252e1d27-58b0-4cd6-88a0-a186a0ad9d22" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HeldToMaturitySecuritiesFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_f1b0288c-9d06-474b-98cc-09334f26b8cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_252e1d27-58b0-4cd6-88a0-a186a0ad9d22" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_f1b0288c-9d06-474b-98cc-09334f26b8cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_1c5dea24-cb78-4c68-81ce-02404e471131" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_252e1d27-58b0-4cd6-88a0-a186a0ad9d22" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_1c5dea24-cb78-4c68-81ce-02404e471131" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_8ed389ec-d743-4153-8bd6-d241181e67f1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_252e1d27-58b0-4cd6-88a0-a186a0ad9d22" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_8ed389ec-d743-4153-8bd6-d241181e67f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue_84a3e13e-3209-46fa-8c34-a4ed31d16fc7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_252e1d27-58b0-4cd6-88a0-a186a0ad9d22" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue_84a3e13e-3209-46fa-8c34-a4ed31d16fc7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecurities_20319f66-973e-404e-9957-18bfb331e816" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HeldToMaturitySecurities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount_49b1040b-8c01-4c1e-abb7-ee05af69d5c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_20319f66-973e-404e-9957-18bfb331e816" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount_49b1040b-8c01-4c1e-abb7-ee05af69d5c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount_5b6a17f6-71ad-44cd-863b-882881889ef7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_20319f66-973e-404e-9957-18bfb331e816" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount_5b6a17f6-71ad-44cd-863b-882881889ef7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount_705d1fd7-4263-41b1-a1ae-1ac63e46c499" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_20319f66-973e-404e-9957-18bfb331e816" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount_705d1fd7-4263-41b1-a1ae-1ac63e46c499" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount_1065d0e0-fef3-4b9c-99b1-3526505afc6d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_20319f66-973e-404e-9957-18bfb331e816" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount_1065d0e0-fef3-4b9c-99b1-3526505afc6d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/ReceivablesfromProductSponsorsBrokerDealersandClearingOrganizationsandPayablestoBrokerDealersandClearingOrganizationsDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#ReceivablesfromProductSponsorsBrokerDealersandClearingOrganizationsandPayablestoBrokerDealersandClearingOrganizationsDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/ReceivablesfromProductSponsorsBrokerDealersandClearingOrganizationsandPayablestoBrokerDealersandClearingOrganizationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_777bdc21-62d6-4b84-b020-a00985151367" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuritiesFailedToDeliver_57800b35-9761-487c-a6bd-006093b0d5d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SecuritiesFailedToDeliver"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_777bdc21-62d6-4b84-b020-a00985151367" xlink:to="loc_us-gaap_SecuritiesFailedToDeliver_57800b35-9761-487c-a6bd-006093b0d5d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_ReceivableFromBrokerDealers_e79bb4c1-9c41-40a4-9bf4-3d57f2bf9d20" xlink:href="lpla-20231231.xsd#lpla_ReceivableFromBrokerDealers"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_777bdc21-62d6-4b84-b020-a00985151367" xlink:to="loc_lpla_ReceivableFromBrokerDealers_e79bb4c1-9c41-40a4-9bf4-3d57f2bf9d20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesFromClearingOrganizations_51257315-2a08-481a-9682-8a3e8e73aed1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivablesFromClearingOrganizations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_777bdc21-62d6-4b84-b020-a00985151367" xlink:to="loc_us-gaap_ReceivablesFromClearingOrganizations_51257315-2a08-481a-9682-8a3e8e73aed1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_PayablesToBrokerDealersAndClearingOrganizations_366b3666-17cb-4828-812e-d293488cade2" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_PayablesToBrokerDealersAndClearingOrganizations"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_PayableToClearingOrganizations_f1994c46-e821-4c64-93a8-79cd776afe38" xlink:href="lpla-20231231.xsd#lpla_PayableToClearingOrganizations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_srt_PayablesToBrokerDealersAndClearingOrganizations_366b3666-17cb-4828-812e-d293488cade2" xlink:to="loc_lpla_PayableToClearingOrganizations_f1994c46-e821-4c64-93a8-79cd776afe38" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_PayableToBrokerDealers_b86f6421-6cb0-4e5c-a689-9c9e059a014a" xlink:href="lpla-20231231.xsd#lpla_PayableToBrokerDealers"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_srt_PayablesToBrokerDealersAndClearingOrganizations_366b3666-17cb-4828-812e-d293488cade2" xlink:to="loc_lpla_PayableToBrokerDealers_b86f6421-6cb0-4e5c-a689-9c9e059a014a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuritiesFailedToReceive_1719319d-f4fa-46bc-ba1a-218348ecd664" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SecuritiesFailedToReceive"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_srt_PayablesToBrokerDealersAndClearingOrganizations_366b3666-17cb-4828-812e-d293488cade2" xlink:to="loc_us-gaap_SecuritiesFailedToReceive_1719319d-f4fa-46bc-ba1a-218348ecd664" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/FixedAssetsDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#FixedAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/FixedAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_b2c0fe03-e916-46d5-b312-22fcb2e9bcbb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_f185b03a-9a88-4cde-8c60-4187eec5dc5b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_b2c0fe03-e916-46d5-b312-22fcb2e9bcbb" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_f185b03a-9a88-4cde-8c60-4187eec5dc5b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_8c826fc7-4600-44d0-8eab-b8b5b0352afd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_b2c0fe03-e916-46d5-b312-22fcb2e9bcbb" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_8c826fc7-4600-44d0-8eab-b8b5b0352afd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/IntangibleAssetsComponentsDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#IntangibleAssetsComponentsDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/IntangibleAssetsComponentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_6d4b15ca-4d70-4a81-9c1e-58e5687fb2a1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_9219c62e-10e2-48b6-a671-e9d84be4fe65" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_6d4b15ca-4d70-4a81-9c1e-58e5687fb2a1" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_9219c62e-10e2-48b6-a671-e9d84be4fe65" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_41a3c708-ecce-46a4-9982-6098de1eab39" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_6d4b15ca-4d70-4a81-9c1e-58e5687fb2a1" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_41a3c708-ecce-46a4-9982-6098de1eab39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_852045dc-03a8-495a-b63b-a582edfde0e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_c936f94a-6f06-4182-8d21-2272341170b0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_852045dc-03a8-495a-b63b-a582edfde0e2" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_c936f94a-6f06-4182-8d21-2272341170b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_2ed8e43a-e7a3-44df-b06b-dbc8e0040b70" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_852045dc-03a8-495a-b63b-a582edfde0e2" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_2ed8e43a-e7a3-44df-b06b-dbc8e0040b70" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/IntangibleAssetsFutureAmortizationExpenseDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#IntangibleAssetsFutureAmortizationExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/IntangibleAssetsFutureAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_de226ab9-213a-4687-a372-e5629d63e1df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_1da4fd31-b59a-4e82-9929-edac6cd600fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_de226ab9-213a-4687-a372-e5629d63e1df" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_1da4fd31-b59a-4e82-9929-edac6cd600fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_5e5bfdb7-d121-4158-8ab7-480c839142be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_de226ab9-213a-4687-a372-e5629d63e1df" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_5e5bfdb7-d121-4158-8ab7-480c839142be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_caf1d177-b07f-4066-9e9c-85f24d91c6dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_de226ab9-213a-4687-a372-e5629d63e1df" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_caf1d177-b07f-4066-9e9c-85f24d91c6dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4b182a6a-ec0c-46c9-8a18-8d102d6b89e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_de226ab9-213a-4687-a372-e5629d63e1df" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4b182a6a-ec0c-46c9-8a18-8d102d6b89e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_cbf6b5d8-5318-4a5e-bb90-f4237700f577" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_de226ab9-213a-4687-a372-e5629d63e1df" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_cbf6b5d8-5318-4a5e-bb90-f4237700f577" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_9e6a19d7-daec-4961-8159-9383ccbb6ba6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_de226ab9-213a-4687-a372-e5629d63e1df" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_9e6a19d7-daec-4961-8159-9383ccbb6ba6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/OtherAssertandOtherLiabilitiesDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#OtherAssertandOtherLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/OtherAssertandOtherLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_6611017a-7866-492a-b828-a9ecc5f03280" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_DeferredCompensationAsset_0b6c0f79-3e2f-439e-8743-ed1b89c196d1" xlink:href="lpla-20231231.xsd#lpla_DeferredCompensationAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssets_6611017a-7866-492a-b828-a9ecc5f03280" xlink:to="loc_lpla_DeferredCompensationAsset_0b6c0f79-3e2f-439e-8743-ed1b89c196d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_FractionalSharesInvestment_c3178f3c-8dac-40e2-8503-0063a3d12578" xlink:href="lpla-20231231.xsd#lpla_FractionalSharesInvestment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssets_6611017a-7866-492a-b828-a9ecc5f03280" xlink:to="loc_lpla_FractionalSharesInvestment_c3178f3c-8dac-40e2-8503-0063a3d12578" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrentAndNoncurrent_cc6ced83-24fb-4452-a7d6-6e3455821194" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidExpenseCurrentAndNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssets_6611017a-7866-492a-b828-a9ecc5f03280" xlink:to="loc_us-gaap_PrepaidExpenseCurrentAndNoncurrent_cc6ced83-24fb-4452-a7d6-6e3455821194" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_e795f690-3f04-48d0-9a16-7539173e057d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssets_6611017a-7866-492a-b828-a9ecc5f03280" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_e795f690-3f04-48d0-9a16-7539173e057d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_6e7896cc-b7a9-430c-9847-7553fcb57f15" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_UnamortizedDebtIssuanceExpense"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssets_6611017a-7866-492a-b828-a9ecc5f03280" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_6e7896cc-b7a9-430c-9847-7553fcb57f15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_8e09b1f8-e4f7-44b9-8fca-08ae6d3de0c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssets_6611017a-7866-492a-b828-a9ecc5f03280" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_8e09b1f8-e4f7-44b9-8fca-08ae6d3de0c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMiscellaneous_bc17b6e1-e1f8-4648-b30e-1c3be329f46f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetsMiscellaneous"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssets_6611017a-7866-492a-b828-a9ecc5f03280" xlink:to="loc_us-gaap_OtherAssetsMiscellaneous_bc17b6e1-e1f8-4648-b30e-1c3be329f46f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_f84a3abb-5083-4960-9cf5-578e37fe3268" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_FractionalSharesRepurchaseObligation_dc55908d-4c8e-4ca8-8044-e981464a227b" xlink:href="lpla-20231231.xsd#lpla_FractionalSharesRepurchaseObligation"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilities_f84a3abb-5083-4960-9cf5-578e37fe3268" xlink:to="loc_lpla_FractionalSharesRepurchaseObligation_dc55908d-4c8e-4ca8-8044-e981464a227b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_95729dbf-3e31-4900-ad3a-2f23d3522970" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilities_f84a3abb-5083-4960-9cf5-578e37fe3268" xlink:to="loc_us-gaap_OperatingLeaseLiability_95729dbf-3e31-4900-ad3a-2f23d3522970" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_d4437e09-1f6f-41ae-b58b-b9613ab59f30" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilities_f84a3abb-5083-4960-9cf5-578e37fe3268" xlink:to="loc_us-gaap_FinanceLeaseLiability_d4437e09-1f6f-41ae-b58b-b9613ab59f30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrentAndNoncurrent_8b802ec6-a7ac-4dc8-be58-42e29509dc84" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TaxesPayableCurrentAndNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilities_f84a3abb-5083-4960-9cf5-578e37fe3268" xlink:to="loc_us-gaap_TaxesPayableCurrentAndNoncurrent_8b802ec6-a7ac-4dc8-be58-42e29509dc84" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherSundryLiabilities_35b89e51-eef6-4527-ad8b-d3f641e3ddfe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherSundryLiabilities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilities_f84a3abb-5083-4960-9cf5-578e37fe3268" xlink:to="loc_us-gaap_OtherSundryLiabilities_35b89e51-eef6-4527-ad8b-d3f641e3ddfe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_22d764db-bdbf-4118-a960-112727d265ed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilities_f84a3abb-5083-4960-9cf5-578e37fe3268" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_22d764db-bdbf-4118-a960-112727d265ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenue_d16cf5a6-0ea9-4669-8d4c-a1d3bba9ac79" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredRevenue"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilities_f84a3abb-5083-4960-9cf5-578e37fe3268" xlink:to="loc_us-gaap_DeferredRevenue_d16cf5a6-0ea9-4669-8d4c-a1d3bba9ac79" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/CorporateDebtandOtherBorrowingsNetFuturePaymentsandMaturitiesDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#CorporateDebtandOtherBorrowingsNetFuturePaymentsandMaturitiesDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/CorporateDebtandOtherBorrowingsNetFuturePaymentsandMaturitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_d14edd11-bdbe-4545-b29b-51ba19ce9849" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_caae7ef9-8386-4034-b43d-7b013e59cd42" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_d14edd11-bdbe-4545-b29b-51ba19ce9849" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_caae7ef9-8386-4034-b43d-7b013e59cd42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_16b7576f-aa91-4950-bed9-9d6d283c93c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_d14edd11-bdbe-4545-b29b-51ba19ce9849" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_16b7576f-aa91-4950-bed9-9d6d283c93c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_ced58ff7-876e-41a8-aefa-1b62dbacdd28" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_d14edd11-bdbe-4545-b29b-51ba19ce9849" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_ced58ff7-876e-41a8-aefa-1b62dbacdd28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_55e1a4cc-fdb5-4a68-8d1a-ea22621f9b5d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_d14edd11-bdbe-4545-b29b-51ba19ce9849" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_55e1a4cc-fdb5-4a68-8d1a-ea22621f9b5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_31a29aba-6e86-4c3a-8a57-b1877cdfb9fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_d14edd11-bdbe-4545-b29b-51ba19ce9849" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_31a29aba-6e86-4c3a-8a57-b1877cdfb9fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_04ddde99-cc93-4016-8ddd-42bc79656b60" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_d14edd11-bdbe-4545-b29b-51ba19ce9849" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_04ddde99-cc93-4016-8ddd-42bc79656b60" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/LeasesComponentsofLeaseExpenseDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#LeasesComponentsofLeaseExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/LeasesComponentsofLeaseExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lpla_FinanceLeaseTotalCost_a4863b2b-b04b-4734-8cba-8a5a41fe2faf" xlink:href="lpla-20231231.xsd#lpla_FinanceLeaseTotalCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_0a215902-c30f-4690-bf6b-871af4ff7f98" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lpla_FinanceLeaseTotalCost_a4863b2b-b04b-4734-8cba-8a5a41fe2faf" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_0a215902-c30f-4690-bf6b-871af4ff7f98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_7852abf8-3549-465f-aea9-d2e13beda53f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseInterestExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lpla_FinanceLeaseTotalCost_a4863b2b-b04b-4734-8cba-8a5a41fe2faf" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_7852abf8-3549-465f-aea9-d2e13beda53f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/LeasesMaturitiesofLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#LeasesMaturitiesofLeaseLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/LeasesMaturitiesofLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_189f0088-bb91-469c-9342-6a94e136dffd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_5ac0a985-d46d-422e-9cb4-1c7da5e3f5b0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_189f0088-bb91-469c-9342-6a94e136dffd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_5ac0a985-d46d-422e-9cb4-1c7da5e3f5b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_70ae22d9-2054-4cc9-aa1e-f67384ceaae3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_189f0088-bb91-469c-9342-6a94e136dffd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_70ae22d9-2054-4cc9-aa1e-f67384ceaae3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_8ac7f629-7b68-4d87-b0af-f5490d9bbce4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_189f0088-bb91-469c-9342-6a94e136dffd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_8ac7f629-7b68-4d87-b0af-f5490d9bbce4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_5daba7f6-5a76-46a2-8ef9-3d1621286525" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_189f0088-bb91-469c-9342-6a94e136dffd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_5daba7f6-5a76-46a2-8ef9-3d1621286525" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2d38ec13-bb16-448e-86b9-95afdeb5e04a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_189f0088-bb91-469c-9342-6a94e136dffd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2d38ec13-bb16-448e-86b9-95afdeb5e04a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_9de7fdb3-fbd2-41b3-8286-e6072e763d67" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_189f0088-bb91-469c-9342-6a94e136dffd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_9de7fdb3-fbd2-41b3-8286-e6072e763d67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_06c624bd-23a9-4f2f-9740-19e35e60b8c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_7a36493d-6b4d-475f-8874-f2f223a6cda1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_06c624bd-23a9-4f2f-9740-19e35e60b8c7" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_7a36493d-6b4d-475f-8874-f2f223a6cda1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_42c277fc-3bf1-4d39-91ff-d404f8a6af19" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_06c624bd-23a9-4f2f-9740-19e35e60b8c7" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_42c277fc-3bf1-4d39-91ff-d404f8a6af19" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_985f062d-2e37-4b1d-b9bc-9b988db200c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_06c624bd-23a9-4f2f-9740-19e35e60b8c7" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_985f062d-2e37-4b1d-b9bc-9b988db200c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_d06a0f1b-c503-49df-874b-d3b7c3b2a401" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_06c624bd-23a9-4f2f-9740-19e35e60b8c7" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_d06a0f1b-c503-49df-874b-d3b7c3b2a401" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_27fe4917-bd7f-47b4-995a-7ca8684e3351" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_06c624bd-23a9-4f2f-9740-19e35e60b8c7" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_27fe4917-bd7f-47b4-995a-7ca8684e3351" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_9e5f71c6-748d-4421-a68c-44f73794c4e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_06c624bd-23a9-4f2f-9740-19e35e60b8c7" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_9e5f71c6-748d-4421-a68c-44f73794c4e3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/IncomeTaxesProvisionforIncomeTaxesDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#IncomeTaxesProvisionforIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/IncomeTaxesProvisionforIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_623a0c7f-1aa3-42f4-89e8-7fc10bffb27c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_3704a9ae-d8b3-4b08-b26b-65cecc87bfbf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_623a0c7f-1aa3-42f4-89e8-7fc10bffb27c" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_3704a9ae-d8b3-4b08-b26b-65cecc87bfbf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_59997668-c33b-4e05-8e5a-9b983664391e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_623a0c7f-1aa3-42f4-89e8-7fc10bffb27c" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_59997668-c33b-4e05-8e5a-9b983664391e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_5ad99cd8-f473-42e2-8bb9-05342413c49a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_5135c501-2e56-401b-97e1-9bf566aa1801" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_5ad99cd8-f473-42e2-8bb9-05342413c49a" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_5135c501-2e56-401b-97e1-9bf566aa1801" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_1a31b03c-5a51-4fbd-84f9-f2e5ee2e9c20" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_5ad99cd8-f473-42e2-8bb9-05342413c49a" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_1a31b03c-5a51-4fbd-84f9-f2e5ee2e9c20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_7f3b446e-774f-4702-9165-7e0936ee22e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_938d0c69-32eb-400a-83d9-96a1e46e4c29" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7f3b446e-774f-4702-9165-7e0936ee22e5" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_938d0c69-32eb-400a-83d9-96a1e46e4c29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_5f06885d-03b5-4a3b-8d7f-310095a94e35" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7f3b446e-774f-4702-9165-7e0936ee22e5" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_5f06885d-03b5-4a3b-8d7f-310095a94e35" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/IncomeTaxesReconciliationtoEffectiveRateDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#IncomeTaxesReconciliationtoEffectiveRateDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/IncomeTaxesReconciliationtoEffectiveRateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5703e3be-be95-43ca-9d58-332706800b2a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_5f58c0ad-932b-4cfc-b7a6-d89a580d5c69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5703e3be-be95-43ca-9d58-332706800b2a" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_5f58c0ad-932b-4cfc-b7a6-d89a580d5c69" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_dee631f7-2df7-40c5-9bd4-8dae8ce99594" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5703e3be-be95-43ca-9d58-332706800b2a" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_dee631f7-2df7-40c5-9bd4-8dae8ce99594" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense_e7bfd4a1-e1ce-46fe-a964-f658224ec8f5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5703e3be-be95-43ca-9d58-332706800b2a" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense_e7bfd4a1-e1ce-46fe-a964-f658224ec8f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_3cdc6b93-97d8-45d0-af19-1e895bc6aa96" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5703e3be-be95-43ca-9d58-332706800b2a" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_3cdc6b93-97d8-45d0-af19-1e895bc6aa96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_3bcedb54-5fde-430e-9441-b181a4d9ee19" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5703e3be-be95-43ca-9d58-332706800b2a" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_3bcedb54-5fde-430e-9441-b181a4d9ee19" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_2f27a4c2-12a7-43fc-b037-eeddb9f2e8f0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5703e3be-be95-43ca-9d58-332706800b2a" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_2f27a4c2-12a7-43fc-b037-eeddb9f2e8f0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/IncomeTaxesDeferredIncomeTaxesDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#IncomeTaxesDeferredIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/IncomeTaxesDeferredIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_f80c1298-fa9d-418a-b690-b68193370a84" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSeverancePayments_8b0381c5-3d30-4663-9c48-c0e82da8a513" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSeverancePayments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_f80c1298-fa9d-418a-b690-b68193370a84" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSeverancePayments_8b0381c5-3d30-4663-9c48-c0e82da8a513" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_d2e68f01-d6f2-419e-9811-ec96a32931bf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_f80c1298-fa9d-418a-b690-b68193370a84" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_d2e68f01-d6f2-419e-9811-ec96a32931bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_31ec3292-e857-4216-a706-f1811d950045" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_f80c1298-fa9d-418a-b690-b68193370a84" xlink:to="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_31ec3292-e857-4216-a706-f1811d950045" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_DeferredTaxAssetsOperatingLeaseLiabilities_abfda0b3-51ae-4bc3-b6de-c4c3912a6f98" xlink:href="lpla-20231231.xsd#lpla_DeferredTaxAssetsOperatingLeaseLiabilities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_f80c1298-fa9d-418a-b690-b68193370a84" xlink:to="loc_lpla_DeferredTaxAssetsOperatingLeaseLiabilities_abfda0b3-51ae-4bc3-b6de-c4c3912a6f98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_DeferredTaxAssetsFinanceLeaseLiabilities_6a3500a1-17eb-4f4b-b677-023abe958582" xlink:href="lpla-20231231.xsd#lpla_DeferredTaxAssetsFinanceLeaseLiabilities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_f80c1298-fa9d-418a-b690-b68193370a84" xlink:to="loc_lpla_DeferredTaxAssetsFinanceLeaseLiabilities_6a3500a1-17eb-4f4b-b677-023abe958582" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_62727160-e1d5-4c52-9d96-4520b9855e74" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_f80c1298-fa9d-418a-b690-b68193370a84" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_62727160-e1d5-4c52-9d96-4520b9855e74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_DeferredTaxAssetsTaxDeferredExpenseForgivableLoans_ef6f0400-b290-4697-b84c-bd88418dfcf7" xlink:href="lpla-20231231.xsd#lpla_DeferredTaxAssetsTaxDeferredExpenseForgivableLoans"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_f80c1298-fa9d-418a-b690-b68193370a84" xlink:to="loc_lpla_DeferredTaxAssetsTaxDeferredExpenseForgivableLoans_ef6f0400-b290-4697-b84c-bd88418dfcf7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance_038056e7-c847-47df-bfa4-5d5b2140daac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_f80c1298-fa9d-418a-b690-b68193370a84" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance_038056e7-c847-47df-bfa4-5d5b2140daac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_bf6ebdb7-3819-4eff-9f7a-7181d9f6c71f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_958e3c35-40e9-4577-b08d-02e853f7d9b0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bf6ebdb7-3819-4eff-9f7a-7181d9f6c71f" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_958e3c35-40e9-4577-b08d-02e853f7d9b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_7936cbea-2c05-44ad-81dd-eb110d391b38" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bf6ebdb7-3819-4eff-9f7a-7181d9f6c71f" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_7936cbea-2c05-44ad-81dd-eb110d391b38" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpla_DeferredTaxLiabilitiesOperatingLeaseAssets_c1aa8e83-a8c7-41a1-9016-83b7724a7ff0" xlink:href="lpla-20231231.xsd#lpla_DeferredTaxLiabilitiesOperatingLeaseAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bf6ebdb7-3819-4eff-9f7a-7181d9f6c71f" xlink:to="loc_lpla_DeferredTaxLiabilitiesOperatingLeaseAssets_c1aa8e83-a8c7-41a1-9016-83b7724a7ff0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_2eb48c4f-da23-4595-86b1-d2e1aaf69679" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bf6ebdb7-3819-4eff-9f7a-7181d9f6c71f" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_2eb48c4f-da23-4595-86b1-d2e1aaf69679" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities_59c40e0d-51ef-4c7f-b4c2-540f45684a9d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bf6ebdb7-3819-4eff-9f7a-7181d9f6c71f" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities_59c40e0d-51ef-4c7f-b4c2-540f45684a9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_927ee234-d9c0-482e-a4c1-69b4bed380c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_ebadeb21-3632-4e04-aa1c-2cf64ed1fdd7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_927ee234-d9c0-482e-a4c1-69b4bed380c7" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_ebadeb21-3632-4e04-aa1c-2cf64ed1fdd7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_5d8d6706-3509-4030-a17d-f8713e8733ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_927ee234-d9c0-482e-a4c1-69b4bed380c7" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_5d8d6706-3509-4030-a17d-f8713e8733ff" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/CommitmentsandContingenciesFutureMinimumPaymentsDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#CommitmentsandContingenciesFutureMinimumPaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/CommitmentsandContingenciesFutureMinimumPaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligation_e5d120a5-6dbc-4d98-9042-6bfb0809a352" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractualObligation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_24a6f539-1886-4f22-96fc-1c896b583b6b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractualObligationDueInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_e5d120a5-6dbc-4d98-9042-6bfb0809a352" xlink:to="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_24a6f539-1886-4f22-96fc-1c896b583b6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInSecondYear_d3e4b725-5798-4d0c-a252-e978d305b333" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractualObligationDueInSecondYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_e5d120a5-6dbc-4d98-9042-6bfb0809a352" xlink:to="loc_us-gaap_ContractualObligationDueInSecondYear_d3e4b725-5798-4d0c-a252-e978d305b333" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInThirdYear_e7786356-8a7c-4f53-b52b-27d81b75ba0d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractualObligationDueInThirdYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_e5d120a5-6dbc-4d98-9042-6bfb0809a352" xlink:to="loc_us-gaap_ContractualObligationDueInThirdYear_e7786356-8a7c-4f53-b52b-27d81b75ba0d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInFourthYear_0bce9374-b4ef-4dc8-a935-d557a00b7ab0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractualObligationDueInFourthYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_e5d120a5-6dbc-4d98-9042-6bfb0809a352" xlink:to="loc_us-gaap_ContractualObligationDueInFourthYear_0bce9374-b4ef-4dc8-a935-d557a00b7ab0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInFifthYear_efaf78c5-b857-4510-972f-f6ebf15a7111" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractualObligationDueInFifthYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_e5d120a5-6dbc-4d98-9042-6bfb0809a352" xlink:to="loc_us-gaap_ContractualObligationDueInFifthYear_efaf78c5-b857-4510-972f-f6ebf15a7111" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueAfterFifthYear_d0aac706-80b5-42ef-a918-ec0f4a0253d9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractualObligationDueAfterFifthYear"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_e5d120a5-6dbc-4d98-9042-6bfb0809a352" xlink:to="loc_us-gaap_ContractualObligationDueAfterFifthYear_d0aac706-80b5-42ef-a918-ec0f4a0253d9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lpl.com/role/EarningsperShareDetails" xlink:type="simple" xlink:href="lpla-20231231.xsd#EarningsperShareDetails"/>
  <link:calculationLink xlink:role="http://www.lpl.com/role/EarningsperShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9220db6b-27a9-4b00-9994-86c0fb4d2617" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_2410f4f7-e086-44e3-8745-760e0d462b86" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9220db6b-27a9-4b00-9994-86c0fb4d2617" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_2410f4f7-e086-44e3-8745-760e0d462b86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3bcc4014-2c12-4f64-9c56-d2ed370a97bf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9220db6b-27a9-4b00-9994-86c0fb4d2617" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3bcc4014-2c12-4f64-9c56-d2ed370a97bf" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
