Calculate short-term and long-term capital gains taxes on investments. See how holding period, filing status, and ordinary income affect your tax bill.
Capital Gains Tax Calculator helps you make informed financial decisions using current rates and proven formulas. Adjust the inputs below to match your situation and see your personalized results update in real time.
Results are estimates only. Not financial advice.
🔒 Financial Disclaimer: These calculations are estimates for informational purposes only. Results are not financial advice. Consult a qualified financial advisor before making major financial decisions.
Calculations based on publicly available data from government agencies. Actual results may vary based on individual circumstances.
This capital gains tax calculator distinguishes between short-term gains (taxed at ordinary income rates) and long-term gains (taxed at preferential rates of 0%, 15%, or 20%). The methodology stacks your capital gain on top of your ordinary income to determine which long-term capital gains bracket applies. This is critical because a $50,000 gain added to a $50,000 salary puts you in a higher capital gains bracket than the same gain added to a $30,000 salary. The calculator uses 2025 capital gains thresholds which are adjusted annually for inflation. Real-world applications include tax planning for stock sales, mutual fund redemptions, real estate transactions, and other asset sales. Understanding capital gains rates helps you decide whether to hold investments longer to qualify for lower rates, harvest losses to offset gains, or time asset sales to minimize tax impact. Limitations include not accounting for the 3.8% Net Investment Income Tax (NIIT) that applies to investment income above certain income thresholds, wash sale rules, carryover losses, and special rules for qualified small business stock or real estate depreciation recapture.
Result: A single filer with $75,000 ordinary income and a $50,000 long-term capital gain has a total taxable income of $125,000. The capital gains portion that falls between $48,475 and $125,000 ($76,525) is taxed at 15%. The capital gains tax would be approximately $11,479, bringing total federal tax to about $23,479 and an effective rate of roughly 18.9%.
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