Capital Gains Tax Calculator (2026)
Calculate federal capital gains tax liability on stocks, cryptocurrencies, and real estate. Compare short-term ordinary rates versus preferential long-term rates and Section 121 primary home exclusions.
0% / 15% / 20% Preferential Brackets
Asset & Transaction Details
Tax Filing Status & Base Income
Tax Liability Breakdown
help Frequently Asked Questions
What is the difference between Short-Term and Long-Term capital gains?
Assets held for one year or less are classified as short-term capital gains and taxed at your ordinary income tax rates (10% to 37%). Assets held for longer than one year qualify for favorable long-term capital gains tax rates (0%, 15%, or 20%).
What are the 2026 Long-Term Capital Gains tax brackets?
For 2026, single filers pay 0% capital gains on taxable income up to $48,350, 15% from $48,351 to $533,400, and 20% above $533,400. Married couples filing jointly pay 0% up to $96,700, 15% up to $600,050, and 20% above that.
What is the Net Investment Income Tax (NIIT 3.8%)?
An additional 3.8% Medicare surtax applies to whichever is smaller: your net investment income (capital gains, dividends, interest) or the amount by which your modified adjusted gross income (MAGI) exceeds $200,000 for single filers ($250,000 married).
How does the Section 121 Primary Residence exclusion work?
If you sell your primary residence and have lived in it for at least 2 of the past 5 years, you can exclude up to $250,000 of capital gain profit from federal taxes if single, or up to $500,000 if married filing jointly.