US Capital Gains Tax Calculator
Calculate US federal capital gains tax on investment sales based on income and holding period.
Calculation Inputs
Calculation Results
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Enter inputs on the left and click Calculate to view results.
Formula & Methodology
LTCG rates 2024: 0% (≤$47,025 single), 15% (≤$518,900), 20% above; NIIT 3.8% if income >$200k
Long-term capital gains are taxed at 0%, 15%, or 20% for federal. Plus 3.8% Net Investment Income Tax (NIIT) for high earners.
Frequently Asked Questions
How can I reduce capital gains taxes?
Tax-loss harvesting, holding assets 1+ year, donating appreciated assets to charity, opportunity zone investments, or spreading sales across tax years.