Finance Calc App

$100,000 Short-Term Capital Gains Tax Calculator (2025)

By Ward Last reviewed Methodology

Tax on $100,000 short-term capital gain: $13,614

Short-term (≤1 year) · Effective rate 13.6% · Net proceeds $86,386

Capital gains tax
$13,614
Net proceeds
$86,386
Effective rate
13.6%
Marginal rate
22.0%

Representative rate used — enter your actual rate below for a precise result.

Your gain

Est. tax owed
$3,750.00
Net gain
$21,250.00
Effective rate
15.0%

Estimates only

Capital gains tax depends on your full tax picture, allowable losses, deferrals, and local rules not modelled here. Consult a tax professional before filing.

How to use this calculator

  1. 1
    Enter your capital gain
    We've pre-filled $100,000. Enter the exact profit from your sale (sale price − cost basis).
  2. 2
    Select holding period
    Assets held over 12 months qualify for long-term rates (0%, 15%, or 20%). Short-term gains are taxed as ordinary income — potentially 22–37%.
  3. 3
    Enter your total income
    Your capital gains rate depends on your total taxable income. Enter your other income to get the correct bracket assignment.
  4. 4
    Read your tax estimate
    A $100,000 short-term gain incurs approximately $13,614 in federal capital gains tax at the rates pre-filled above.
Note on figures: Tax estimates use 2026 tax tables for a single filer with no other income. Actual liability will vary based on total income, filing status, additional deductions, and state/provincial taxes. Always verify with a qualified tax professional. See our methodology page.
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