Calculate capital gains tax on investments, stocks, real estate, and other assets. See short-term vs long-term rates for 2025.
Capital gains tax applies when you sell an asset for more than you paid. The rate depends on how long you held the asset and your income. Short-term gains (held less than 1 year) are taxed as ordinary income. Long-term gains (held more than 1 year) qualify for preferential rates: 0%, 15%, or 20% depending on your taxable income.
2025 Long-term capital gains rates: 0% for single filers with taxable income up to $47,025; 15% up to $518,900; 20% above that. High-income taxpayers may also owe the 3.8% Net Investment Income Tax (NIIT).