Investing · United States

    Capital Loss Deduction Tax Savings Calculator

    Estimate how much capital loss may be deductible (up to a cap) and the implied tax savings using your marginal tax rate. Simplified planning tool.

    Last updated: May 31, 2026Simplified estimateAdjust deduction capEstimates carryover
    Inputs

    Configure your scenario

    Enter a capital loss amount and deduction cap to estimate deductible loss and implied tax savings.

    Capital loss

    $3,000

    Deductible (cap)

    $3,000

    Carryover

    $0

    Breakdown

    Detailed estimate

    Deductible loss used (estimate)
    $3,000
    Carryover (estimate)
    $0
    Estimated tax savings
    $660

    Official references