Capital gains guides explain how profit from selling investments, property and other assets is taxed: short-term versus long-term rates, income thresholds, the net investment income tax and how losses offset gains. Use them to estimate the tax on a sale before you make it.
Estimate how a monthly S&P 500 investment could grow and what you would keep after the federal tax on dividends and on the sale. Free calculator with worked examples, tax-rate and time comparisons.
Long-term capital gains are taxed at 0%, 15% or 20% in 2026 depending on taxable income. See the thresholds by filing status, how gains stack on top of your income, and four worked examples with the 3.8% net investment income tax.
