Capital Gains Tax Calculator (US)
LTCG: 0%/15%/20%. ST gain taxed as ordinary income.
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⚠ Tax year 2024 figures. Estimates only — consult a tax professional.
How to use Capital Gains Tax Calculator (US)
- Enter your gain amount, holding period, and taxable income/filing status.
- The calculator determines whether the gain is short-term (taxed as ordinary income) or long-term (0%/15%/20% rate based on income).
- See your estimated capital gains tax.
Limitations
- The 0%/15%/20% long-term rates depend on total taxable income thresholds that change with filing status and are updated annually — this reflects current published thresholds, not a locked-in number regardless of tax year.
- State capital gains tax (where applicable) isn't included.
About this tool
Capital Gains Tax Calculator (US) is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
Category: Tax & Government — US Federal. Browse more Tax & Government — US Federal tools.