$100,000 Long-Term Capital Gains Tax Calculator (2025)
Tax on $100,000 long-term capital gain: $7,748
Long-term (>1 year) · Effective rate 7.7% · Net proceeds $92,252
- Capital gains tax
- $7,748
- Net proceeds
- $92,252
- Effective rate
- 7.7%
- Marginal rate
- 15.0%
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 Enter your capital gainWe've pre-filled $100,000. Enter the exact profit from your sale (sale price − cost basis).
- 2 Select holding periodAssets 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 Enter your total incomeYour capital gains rate depends on your total taxable income. Enter your other income to get the correct bracket assignment.
- 4 Read your tax estimateA $100,000 long-term gain incurs approximately $7,748 in federal capital gains tax at the rates pre-filled above.
Compare nearby scenarios
Want the full picture? How to Reduce Capital Gains Tax: 9 Legal Strategies →
Frequently asked questions
How much tax do I pay on a $100,000 long-term capital gain?
Approximately $7,748 in federal capital gains tax — an effective rate of 7.7% — leaving net proceeds of $92,252. State taxes, where applicable, are additional.
What's the difference between short-term and long-term capital gains tax?
Gains on assets held over 12 months are long-term and taxed at preferential rates (0%, 15%, or 20% federally). Assets held 12 months or less generate short-term gains taxed as ordinary income — potentially up to 37%. Holding period alone can change the bill on a $100,000 gain by thousands.
How can I reduce the tax on a $100,000 gain?
Common legal strategies: hold past the 12-month long-term threshold, offset gains with harvested losses, time the sale into a lower-income year, and use tax-sheltered accounts for future investments. See our guide to reducing capital gains tax for nine strategies.