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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:c484761a-bc14-4cab-900a-df03f40aeaf7,g:65b88416-61a1-4d7b-ba8f-b3ca1911c355-->
<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://mimio.boxlight.com/role/CondensedConsolidatedStatementsofOperationsandComprehensiveLoss" xlink:type="simple" xlink:href="boxl-20240930.xsd#CondensedConsolidatedStatementsofOperationsandComprehensiveLoss"/>
  <link:calculationLink xlink:role="http://mimio.boxlight.com/role/CondensedConsolidatedStatementsofOperationsandComprehensiveLoss" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_aabb0652-2f07-4e4e-a15d-319932246327" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_9fd8c0a9-e802-4963-80a9-1162d467f514" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_aabb0652-2f07-4e4e-a15d-319932246327" xlink:to="loc_us-gaap_OperatingIncomeLoss_9fd8c0a9-e802-4963-80a9-1162d467f514" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_15d44178-5e42-478f-a63d-50b8ae51c7b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_aabb0652-2f07-4e4e-a15d-319932246327" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_15d44178-5e42-478f-a63d-50b8ae51c7b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_972ef33d-822f-40e3-8b25-023495711f76" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_2ed53d25-895e-4e49-85f4-70d48693e19a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_972ef33d-822f-40e3-8b25-023495711f76" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_2ed53d25-895e-4e49-85f4-70d48693e19a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_1cafe7ff-6007-4446-b0b2-2d3890e713cf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_972ef33d-822f-40e3-8b25-023495711f76" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_1cafe7ff-6007-4446-b0b2-2d3890e713cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_52576bad-d8bc-4042-93a7-e3b063971c8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_62abd51b-bc64-4c4b-86c8-15981a966b9f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_52576bad-d8bc-4042-93a7-e3b063971c8a" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_62abd51b-bc64-4c4b-86c8-15981a966b9f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_d861fe33-3342-4338-a3c5-307d72c23ee7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_52576bad-d8bc-4042-93a7-e3b063971c8a" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_d861fe33-3342-4338-a3c5-307d72c23ee7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_b6f51aee-546a-4c76-b611-fc4e699e9591" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_52576bad-d8bc-4042-93a7-e3b063971c8a" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_b6f51aee-546a-4c76-b611-fc4e699e9591" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_0c767648-497c-49a1-9379-fde9e6d91e94" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_869a28e8-af4e-47e7-b984-02a392bf9a15" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_0c767648-497c-49a1-9379-fde9e6d91e94" xlink:to="loc_us-gaap_NetIncomeLoss_869a28e8-af4e-47e7-b984-02a392bf9a15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_d5437d0d-e9d1-4a0e-b60d-7d8dd0c9c973" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_0c767648-497c-49a1-9379-fde9e6d91e94" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_d5437d0d-e9d1-4a0e-b60d-7d8dd0c9c973" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_26ee3db4-56d3-4ca8-bd82-7f56b7712197" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f9699fd1-2bd1-4321-87a8-6eb3b72fad5e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.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_26ee3db4-56d3-4ca8-bd82-7f56b7712197" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f9699fd1-2bd1-4321-87a8-6eb3b72fad5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_8554a82e-1b28-4cd8-90c9-7c67447b8ba3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.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_26ee3db4-56d3-4ca8-bd82-7f56b7712197" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_8554a82e-1b28-4cd8-90c9-7c67447b8ba3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_379fb5b2-1b62-491a-a731-a41bf0e0623a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_2eac199d-9182-406a-aa44-184047cf663c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_379fb5b2-1b62-491a-a731-a41bf0e0623a" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_2eac199d-9182-406a-aa44-184047cf663c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_ce7904b5-a79e-4af0-933b-7d42e8c31b71" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_39c44786-aa7e-4c54-8776-408692738208" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_ce7904b5-a79e-4af0-933b-7d42e8c31b71" xlink:to="loc_us-gaap_NetIncomeLoss_39c44786-aa7e-4c54-8776-408692738208" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStock_6a8f22bd-4aa1-459d-8413-52b975361287" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DividendsPreferredStock"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_ce7904b5-a79e-4af0-933b-7d42e8c31b71" xlink:to="loc_us-gaap_DividendsPreferredStock_6a8f22bd-4aa1-459d-8413-52b975361287" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_9ce1d3d6-2a6d-4ed0-bf62-d071432689e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_432b4f67-0320-4866-b134-2567b5099843" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9ce1d3d6-2a6d-4ed0-bf62-d071432689e2" xlink:to="loc_us-gaap_GrossProfit_432b4f67-0320-4866-b134-2567b5099843" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_b830d620-5447-4e5a-a850-1db5e349a10f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9ce1d3d6-2a6d-4ed0-bf62-d071432689e2" xlink:to="loc_us-gaap_OperatingExpenses_b830d620-5447-4e5a-a850-1db5e349a10f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_d767edb1-baff-440e-ba2a-8a45f8869753" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_1c2fdb56-c35c-4783-878d-6e8281bbe953" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_d767edb1-baff-440e-ba2a-8a45f8869753" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_1c2fdb56-c35c-4783-878d-6e8281bbe953" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_e7edda0b-7e6d-4299-9ecf-30f4883ad829" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_d767edb1-baff-440e-ba2a-8a45f8869753" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_e7edda0b-7e6d-4299-9ecf-30f4883ad829" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_bdacd9d1-e3af-4cdd-b6c1-0d14330f42a2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_d767edb1-baff-440e-ba2a-8a45f8869753" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_bdacd9d1-e3af-4cdd-b6c1-0d14330f42a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_353ba4c3-4a14-46b4-ba93-566512d59473" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_96d17c03-f954-4e87-945e-5626ba1e5675" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_353ba4c3-4a14-46b4-ba93-566512d59473" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_96d17c03-f954-4e87-945e-5626ba1e5675" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://mimio.boxlight.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="boxl-20240930.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://mimio.boxlight.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_1b71135b-2967-4a34-a65d-e42a16af9162" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_21830cad-ebe1-424e-97e3-69291e8e8fbc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.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_1b71135b-2967-4a34-a65d-e42a16af9162" xlink:to="loc_us-gaap_Liabilities_21830cad-ebe1-424e-97e3-69291e8e8fbc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_fdbef339-53f7-463a-9b6d-fac8b12059ec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_1b71135b-2967-4a34-a65d-e42a16af9162" xlink:to="loc_us-gaap_CommitmentsAndContingencies_fdbef339-53f7-463a-9b6d-fac8b12059ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_be555024-0bf3-4fb7-958d-57e5de474a2d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_1b71135b-2967-4a34-a65d-e42a16af9162" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_be555024-0bf3-4fb7-958d-57e5de474a2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_0a363dd1-5ff5-4a13-8978-4453a93e9ce0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_1b71135b-2967-4a34-a65d-e42a16af9162" xlink:to="loc_us-gaap_StockholdersEquity_0a363dd1-5ff5-4a13-8978-4453a93e9ce0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_c6436aef-60cc-4b0a-abac-ac424f6cf484" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_733623d8-ed48-4076-ad59-66279264031d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6436aef-60cc-4b0a-abac-ac424f6cf484" xlink:to="loc_us-gaap_AssetsCurrent_733623d8-ed48-4076-ad59-66279264031d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_a37905dd-062f-4857-9507-9aeed42617db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6436aef-60cc-4b0a-abac-ac424f6cf484" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_a37905dd-062f-4857-9507-9aeed42617db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_fe9a0f0f-dc28-4bdb-94ff-45035335e564" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6436aef-60cc-4b0a-abac-ac424f6cf484" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_fe9a0f0f-dc28-4bdb-94ff-45035335e564" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_9ff4a6a1-b6d4-4754-aae7-c9f404b5aac1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6436aef-60cc-4b0a-abac-ac424f6cf484" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_9ff4a6a1-b6d4-4754-aae7-c9f404b5aac1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_f6c08ab6-3451-4ef1-950f-185679710e41" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6436aef-60cc-4b0a-abac-ac424f6cf484" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_f6c08ab6-3451-4ef1-950f-185679710e41" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_2da41120-48f0-42a1-ade1-15e432ac11cc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_97bfff01-8ef4-4aad-8396-aaeb0e74566c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_2da41120-48f0-42a1-ade1-15e432ac11cc" xlink:to="loc_us-gaap_LiabilitiesCurrent_97bfff01-8ef4-4aad-8396-aaeb0e74566c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_e4b1d015-9b13-4530-9fb7-fbdd096e4ccc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_2da41120-48f0-42a1-ade1-15e432ac11cc" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_e4b1d015-9b13-4530-9fb7-fbdd096e4ccc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_25c0e12f-8ecc-4350-a932-c3ddafa67a0e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_2da41120-48f0-42a1-ade1-15e432ac11cc" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_25c0e12f-8ecc-4350-a932-c3ddafa67a0e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_404b8c67-607f-46c5-80bf-5ed25df3da26" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_2da41120-48f0-42a1-ade1-15e432ac11cc" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_404b8c67-607f-46c5-80bf-5ed25df3da26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_7edbb81d-428c-4b38-9a40-7676f22d9612" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_2da41120-48f0-42a1-ade1-15e432ac11cc" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_7edbb81d-428c-4b38-9a40-7676f22d9612" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_253cd32e-3925-4cf0-840a-ca442e63e132" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_ca1dd534-20e1-4fcf-8f59-c6f81c46450c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_253cd32e-3925-4cf0-840a-ca442e63e132" xlink:to="loc_us-gaap_PreferredStockValue_ca1dd534-20e1-4fcf-8f59-c6f81c46450c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_070b7671-c57c-4061-b0e3-852a27e671e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_253cd32e-3925-4cf0-840a-ca442e63e132" xlink:to="loc_us-gaap_CommonStockValue_070b7671-c57c-4061-b0e3-852a27e671e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_ba2d3f65-b044-4487-8f49-c583b280ada5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_253cd32e-3925-4cf0-840a-ca442e63e132" xlink:to="loc_us-gaap_AdditionalPaidInCapital_ba2d3f65-b044-4487-8f49-c583b280ada5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_532939c6-e4e7-4d0b-ad1e-7e6c56fcf25b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.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_253cd32e-3925-4cf0-840a-ca442e63e132" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_532939c6-e4e7-4d0b-ad1e-7e6c56fcf25b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_3941f07e-8eba-4a0b-81cd-7d8f26a7921c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_253cd32e-3925-4cf0-840a-ca442e63e132" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_3941f07e-8eba-4a0b-81cd-7d8f26a7921c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_19a44cc8-9fc9-44c4-8d4b-5fd8e14ea084" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3ce45b3b-ef6c-4a61-b161-e441e95b5483" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.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_AssetsCurrent_19a44cc8-9fc9-44c4-8d4b-5fd8e14ea084" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3ce45b3b-ef6c-4a61-b161-e441e95b5483" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_e05bc0a2-2727-4dee-9104-f4d32d70caa0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_19a44cc8-9fc9-44c4-8d4b-5fd8e14ea084" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_e05bc0a2-2727-4dee-9104-f4d32d70caa0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_6a42dcdc-7125-45a2-8f9e-a8c253e9a1f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_19a44cc8-9fc9-44c4-8d4b-5fd8e14ea084" xlink:to="loc_us-gaap_InventoryNet_6a42dcdc-7125-45a2-8f9e-a8c253e9a1f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_efa9f1eb-3a5f-477a-9d6c-63bdde379df2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_19a44cc8-9fc9-44c4-8d4b-5fd8e14ea084" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_efa9f1eb-3a5f-477a-9d6c-63bdde379df2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_d6fa5bbe-306a-4d0e-b5e0-6a58e398cef3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_5879005b-11ae-4eaf-86d5-f7c6cca25d2a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d6fa5bbe-306a-4d0e-b5e0-6a58e398cef3" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_5879005b-11ae-4eaf-86d5-f7c6cca25d2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_65e22a87-f06c-413a-95ad-693bd6bf918c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermBorrowings"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d6fa5bbe-306a-4d0e-b5e0-6a58e398cef3" xlink:to="loc_us-gaap_ShortTermBorrowings_65e22a87-f06c-413a-95ad-693bd6bf918c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_9943f3c0-d9da-467d-936b-25dea7dc7c0a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d6fa5bbe-306a-4d0e-b5e0-6a58e398cef3" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_9943f3c0-d9da-467d-936b-25dea7dc7c0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_63926d25-120b-429c-bd0e-d39c436fc9d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d6fa5bbe-306a-4d0e-b5e0-6a58e398cef3" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_63926d25-120b-429c-bd0e-d39c436fc9d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_babccb20-aab5-4dd9-9d48-074615005331" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d6fa5bbe-306a-4d0e-b5e0-6a58e398cef3" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_babccb20-aab5-4dd9-9d48-074615005331" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_d62bf3e4-a552-4d36-a0d2-dd7030a49f9c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d6fa5bbe-306a-4d0e-b5e0-6a58e398cef3" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_d62bf3e4-a552-4d36-a0d2-dd7030a49f9c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://mimio.boxlight.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="boxl-20240930.xsd#CondensedConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://mimio.boxlight.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d0a9f1a9-2117-486d-9b16-c4feb48c4712" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_boxl_PurchasesOfFurnitureAndFixturesNet_ff4bf8cd-3c88-4b9b-a645-490342ccd80a" xlink:href="boxl-20240930.xsd#boxl_PurchasesOfFurnitureAndFixturesNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d0a9f1a9-2117-486d-9b16-c4feb48c4712" xlink:to="loc_boxl_PurchasesOfFurnitureAndFixturesNet_ff4bf8cd-3c88-4b9b-a645-490342ccd80a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_3cb442dd-10de-46f9-8718-254543d8c73a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_NetIncomeLoss_3cb442dd-10de-46f9-8718-254543d8c73a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_b91ad017-4f3c-40c1-83fb-648d6744df49" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_b91ad017-4f3c-40c1-83fb-648d6744df49" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_e5f13e5c-6626-4b4f-bae6-942d4fd6e8c8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_e5f13e5c-6626-4b4f-bae6-942d4fd6e8c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaidInKindInterest_f17c5177-f33f-41e2-8cbe-69f7ef905ae8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaidInKindInterest"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_PaidInKindInterest_f17c5177-f33f-41e2-8cbe-69f7ef905ae8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_boxl_ChangesInDeferredTaxAssetsAndLiabilities_a3f5a14c-90e9-4bab-acf4-482779fd8a7f" xlink:href="boxl-20240930.xsd#boxl_ChangesInDeferredTaxAssetsAndLiabilities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_boxl_ChangesInDeferredTaxAssetsAndLiabilities_a3f5a14c-90e9-4bab-acf4-482779fd8a7f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_boxl_ChangeInAllowanceForSalesReturnsAndVolumeRebate_05ef9c8a-e051-4144-a420-3211bcd6f646" xlink:href="boxl-20240930.xsd#boxl_ChangeInAllowanceForSalesReturnsAndVolumeRebate"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_boxl_ChangeInAllowanceForSalesReturnsAndVolumeRebate_05ef9c8a-e051-4144-a420-3211bcd6f646" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryLIFOReservePeriodCharge_6f0c994c-a8c7-4295-84b3-779736a08ab1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryLIFOReservePeriodCharge"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_InventoryLIFOReservePeriodCharge_6f0c994c-a8c7-4295-84b3-779736a08ab1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_2b4c1a13-75dd-4a49-b78f-7f5703f95880" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_2b4c1a13-75dd-4a49-b78f-7f5703f95880" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_81a11e26-5409-4aab-8a99-9c63f1788e85" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_ShareBasedCompensation_81a11e26-5409-4aab-8a99-9c63f1788e85" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_92cbef36-1051-434f-9e59-ade75b4a10cc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_92cbef36-1051-434f-9e59-ade75b4a10cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_0e51ca41-a87f-494e-9971-77bd69d778c0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_0e51ca41-a87f-494e-9971-77bd69d778c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_boxl_NonCashLeaseExpense_370b7520-1ce4-4008-8905-c4ef2c072e2f" xlink:href="boxl-20240930.xsd#boxl_NonCashLeaseExpense"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_boxl_NonCashLeaseExpense_370b7520-1ce4-4008-8905-c4ef2c072e2f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_1e283d83-989e-4a59-9e27-2c14c8d296c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_1e283d83-989e-4a59-9e27-2c14c8d296c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_ff0f8ffd-8310-4a35-99e8-95af44980f24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_ff0f8ffd-8310-4a35-99e8-95af44980f24" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_1ef8c14a-dac5-4d1c-9325-415936536336" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_1ef8c14a-dac5-4d1c-9325-415936536336" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_8a8efabf-495d-42be-9e49-5dd59778a518" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_8a8efabf-495d-42be-9e49-5dd59778a518" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_fa32ff8c-b876-46a5-a5b1-33cd64aff103" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="17" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_fa32ff8c-b876-46a5-a5b1-33cd64aff103" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_55efa3ea-5eca-4f9c-a30f-856dbbba5118" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities"/>
    <link:calculationArc order="18" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_55efa3ea-5eca-4f9c-a30f-856dbbba5118" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_1671ee22-cb47-472f-a70d-0746bf027e11" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="19" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f443d6fc-fa9b-41d5-a1dd-1dba78d3482a" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_1671ee22-cb47-472f-a70d-0746bf027e11" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4c920519-262c-48c0-a3e8-12e6196a4c7b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_boxl_PaymentOnFixedDividendsOfClassBPreferredStock_50b0254d-d339-4689-9fab-e6a337c610ad" xlink:href="boxl-20240930.xsd#boxl_PaymentOnFixedDividendsOfClassBPreferredStock"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4c920519-262c-48c0-a3e8-12e6196a4c7b" xlink:to="loc_boxl_PaymentOnFixedDividendsOfClassBPreferredStock_50b0254d-d339-4689-9fab-e6a337c610ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_boxl_ProceedsFromStockOptionsExercisedAndWarrantExercises_bd315f68-a655-47ec-ac07-cb9628a4d4ed" xlink:href="boxl-20240930.xsd#boxl_ProceedsFromStockOptionsExercisedAndWarrantExercises"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4c920519-262c-48c0-a3e8-12e6196a4c7b" xlink:to="loc_boxl_ProceedsFromStockOptionsExercisedAndWarrantExercises_bd315f68-a655-47ec-ac07-cb9628a4d4ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromShortTermDebt_fb227682-928d-4acf-99c8-9b7df6f2d337" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromShortTermDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4c920519-262c-48c0-a3e8-12e6196a4c7b" xlink:to="loc_us-gaap_ProceedsFromShortTermDebt_fb227682-928d-4acf-99c8-9b7df6f2d337" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfShortTermDebt_e5ef4b52-4402-4cb3-808d-94923f5c1909" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfShortTermDebt"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4c920519-262c-48c0-a3e8-12e6196a4c7b" xlink:to="loc_us-gaap_RepaymentsOfShortTermDebt_e5ef4b52-4402-4cb3-808d-94923f5c1909" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_05e32605-1215-40a4-88b6-9764bcf1408e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_4c920519-262c-48c0-a3e8-12e6196a4c7b" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_05e32605-1215-40a4-88b6-9764bcf1408e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_23cf727e-cdef-4c74-8390-85965166ed6d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f2c2db72-2100-4b2d-84b8-33817bdaa156" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_23cf727e-cdef-4c74-8390-85965166ed6d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f2c2db72-2100-4b2d-84b8-33817bdaa156" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_daff8f01-b7a2-4f82-acc4-4759a826589b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.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_23cf727e-cdef-4c74-8390-85965166ed6d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_daff8f01-b7a2-4f82-acc4-4759a826589b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9284b840-f99c-4ece-858e-d84a348793c5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_23cf727e-cdef-4c74-8390-85965166ed6d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9284b840-f99c-4ece-858e-d84a348793c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_dd5bb7fe-262d-46a6-b204-9e07d7756dc8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_23cf727e-cdef-4c74-8390-85965166ed6d" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_dd5bb7fe-262d-46a6-b204-9e07d7756dc8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://mimio.boxlight.com/role/ACCOUNTSRECEIVABLETRADEDetails" xlink:type="simple" xlink:href="boxl-20240930.xsd#ACCOUNTSRECEIVABLETRADEDetails"/>
  <link:calculationLink xlink:role="http://mimio.boxlight.com/role/ACCOUNTSRECEIVABLETRADEDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_cf7e55c8-214c-4075-b413-8df3a7be0d9e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGross_a6d8b9ac-73fd-43a8-9876-e8b851d4f501" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsReceivableGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_cf7e55c8-214c-4075-b413-8df3a7be0d9e" xlink:to="loc_us-gaap_AccountsReceivableGross_a6d8b9ac-73fd-43a8-9876-e8b851d4f501" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_86aad355-c2a3-4121-9928-e60ceedc4d1a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_cf7e55c8-214c-4075-b413-8df3a7be0d9e" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_86aad355-c2a3-4121-9928-e60ceedc4d1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_boxl_AllowanceForSalesReturns_b14ca5f1-7cf1-4d4f-86b3-be307de173c8" xlink:href="boxl-20240930.xsd#boxl_AllowanceForSalesReturns"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_cf7e55c8-214c-4075-b413-8df3a7be0d9e" xlink:to="loc_boxl_AllowanceForSalesReturns_b14ca5f1-7cf1-4d4f-86b3-be307de173c8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://mimio.boxlight.com/role/INVENTORIESDetails" xlink:type="simple" xlink:href="boxl-20240930.xsd#INVENTORIESDetails"/>
  <link:calculationLink xlink:role="http://mimio.boxlight.com/role/INVENTORIESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_ce8d99f1-422e-4d61-a15b-c7a904bac4bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoods_bd1f2f54-d752-4961-8138-c36f60569230" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryFinishedGoods"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_ce8d99f1-422e-4d61-a15b-c7a904bac4bb" xlink:to="loc_us-gaap_InventoryFinishedGoods_bd1f2f54-d752-4961-8138-c36f60569230" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSupplies_48d9bbe0-67d9-4f06-9d30-074319cba632" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryRawMaterialsAndSupplies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_ce8d99f1-422e-4d61-a15b-c7a904bac4bb" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSupplies_48d9bbe0-67d9-4f06-9d30-074319cba632" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserves_a010271d-4627-43bd-85fb-3f2e77f77ea5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryValuationReserves"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_ce8d99f1-422e-4d61-a15b-c7a904bac4bb" xlink:to="loc_us-gaap_InventoryValuationReserves_a010271d-4627-43bd-85fb-3f2e77f77ea5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://mimio.boxlight.com/role/PREPAIDEXPENSESANDOTHERCURRENTASSETSDetails" xlink:type="simple" xlink:href="boxl-20240930.xsd#PREPAIDEXPENSESANDOTHERCURRENTASSETSDetails"/>
  <link:calculationLink xlink:role="http://mimio.boxlight.com/role/PREPAIDEXPENSESANDOTHERCURRENTASSETSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_2e05785b-dbb6-4dde-b642-e71bf1d13238" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvancesOnInventoryPurchases_9004fb96-2c1c-48d6-b57f-f69314a306d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdvancesOnInventoryPurchases"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_2e05785b-dbb6-4dde-b642-e71bf1d13238" xlink:to="loc_us-gaap_AdvancesOnInventoryPurchases_9004fb96-2c1c-48d6-b57f-f69314a306d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_boxl_PrepaidLicensesAndOtherAssetsCurrent_3adc2cd7-9e95-476a-b89b-221b99137969" xlink:href="boxl-20240930.xsd#boxl_PrepaidLicensesAndOtherAssetsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_2e05785b-dbb6-4dde-b642-e71bf1d13238" xlink:to="loc_boxl_PrepaidLicensesAndOtherAssetsCurrent_3adc2cd7-9e95-476a-b89b-221b99137969" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://mimio.boxlight.com/role/INTANGIBLEASSETSSUMMARYDetails" xlink:type="simple" xlink:href="boxl-20240930.xsd#INTANGIBLEASSETSSUMMARYDetails"/>
  <link:calculationLink xlink:role="http://mimio.boxlight.com/role/INTANGIBLEASSETSSUMMARYDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_935f8064-b594-4f4e-a92c-3333308bbad9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_c8c9fa4d-9106-427e-bda4-9a2970af7ba5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.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_IntangibleAssetsNetExcludingGoodwill_935f8064-b594-4f4e-a92c-3333308bbad9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_c8c9fa4d-9106-427e-bda4-9a2970af7ba5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_fb671c18-e178-44b4-a21a-ffbbdb1cc576" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.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_IntangibleAssetsNetExcludingGoodwill_935f8064-b594-4f4e-a92c-3333308bbad9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_fb671c18-e178-44b4-a21a-ffbbdb1cc576" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://mimio.boxlight.com/role/LEASESSCHEDULEOFFUTUREMINIMUMLEASEPAYMENTSDetails" xlink:type="simple" xlink:href="boxl-20240930.xsd#LEASESSCHEDULEOFFUTUREMINIMUMLEASEPAYMENTSDetails"/>
  <link:calculationLink xlink:role="http://mimio.boxlight.com/role/LEASESSCHEDULEOFFUTUREMINIMUMLEASEPAYMENTSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_e0bba5dd-ea76-4ba0-91a8-b35a78ab1c15" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_27457a28-0572-4aec-98de-edcd5e5bfe91" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_e0bba5dd-ea76-4ba0-91a8-b35a78ab1c15" xlink:to="loc_us-gaap_OperatingLeaseLiability_27457a28-0572-4aec-98de-edcd5e5bfe91" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_be8b7911-e844-4354-8cb5-9a5a7e6218e6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_e0bba5dd-ea76-4ba0-91a8-b35a78ab1c15" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_be8b7911-e844-4354-8cb5-9a5a7e6218e6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://mimio.boxlight.com/role/LEASESSCHEDULEOFFUTUREMINIMUMLEASEPAYMENTSDetails_1" xlink:type="simple" xlink:href="boxl-20240930.xsd#LEASESSCHEDULEOFFUTUREMINIMUMLEASEPAYMENTSDetails_1"/>
  <link:calculationLink xlink:role="http://mimio.boxlight.com/role/LEASESSCHEDULEOFFUTUREMINIMUMLEASEPAYMENTSDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_de17c92f-2412-4452-9534-92bec1a8a8f2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_418cba2a-b669-4e3f-bd48-5dfe3065345d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_de17c92f-2412-4452-9534-92bec1a8a8f2" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_418cba2a-b669-4e3f-bd48-5dfe3065345d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_59e317b1-6089-4eac-bd60-056e645a19cd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_de17c92f-2412-4452-9534-92bec1a8a8f2" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_59e317b1-6089-4eac-bd60-056e645a19cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_a9fe22c0-4a95-4f80-80a9-08dabe20f6dd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_de17c92f-2412-4452-9534-92bec1a8a8f2" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_a9fe22c0-4a95-4f80-80a9-08dabe20f6dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_b783ce29-0108-4c7b-b02b-0bc0f6820fb2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_de17c92f-2412-4452-9534-92bec1a8a8f2" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_b783ce29-0108-4c7b-b02b-0bc0f6820fb2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_f424edb0-5e9c-43d4-aba0-0c10048934cf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_de17c92f-2412-4452-9534-92bec1a8a8f2" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_f424edb0-5e9c-43d4-aba0-0c10048934cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_boxl_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_c24ef151-d8c0-4828-8a7d-fb79a008b629" xlink:href="boxl-20240930.xsd#boxl_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_de17c92f-2412-4452-9534-92bec1a8a8f2" xlink:to="loc_boxl_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_c24ef151-d8c0-4828-8a7d-fb79a008b629" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://mimio.boxlight.com/role/ACCOUNTSPAYABLEANDACCRUEDEXPENSESDetails" xlink:type="simple" xlink:href="boxl-20240930.xsd#ACCOUNTSPAYABLEANDACCRUEDEXPENSESDetails"/>
  <link:calculationLink xlink:role="http://mimio.boxlight.com/role/ACCOUNTSPAYABLEANDACCRUEDEXPENSESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_69f83ff8-c236-47af-af35-2b0fc0b379a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_7abcf488-c048-4068-86e2-69812751b803" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_69f83ff8-c236-47af-af35-2b0fc0b379a8" xlink:to="loc_us-gaap_AccountsPayableCurrent_7abcf488-c048-4068-86e2-69812751b803" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_f7e87de3-4d3d-4102-be34-f52fc3e0320e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_69f83ff8-c236-47af-af35-2b0fc0b379a8" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_f7e87de3-4d3d-4102-be34-f52fc3e0320e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableOtherCurrent_56cdae0f-e7e4-46a3-a943-20713fa5d38b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableOtherCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_69f83ff8-c236-47af-af35-2b0fc0b379a8" xlink:to="loc_us-gaap_AccountsPayableOtherCurrent_56cdae0f-e7e4-46a3-a943-20713fa5d38b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://mimio.boxlight.com/role/DEBTSCHEDULEOFDEBTDetails" xlink:type="simple" xlink:href="boxl-20240930.xsd#DEBTSCHEDULEOFDEBTDetails"/>
  <link:calculationLink xlink:role="http://mimio.boxlight.com/role/DEBTSCHEDULEOFDEBTDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_23da8731-f705-4ea3-9113-a6925a7eccf0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_aa1f0564-ef42-47b8-9228-b8d42989611e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_23da8731-f705-4ea3-9113-a6925a7eccf0" xlink:to="loc_us-gaap_LongTermDebtCurrent_aa1f0564-ef42-47b8-9228-b8d42989611e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_46f2817e-ff19-4eb9-abc8-416e7078aaa1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_23da8731-f705-4ea3-9113-a6925a7eccf0" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_46f2817e-ff19-4eb9-abc8-416e7078aaa1" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
