US Capital Gains Tax Calculator
Long-term gains get the 0% / 15% / 20% rates — and your gain "stacks" on top of your other income, so part can even be tax-free. 2026 thresholds.
Tax on Your Gain
$0
Gain Taxed at 0%$0
Gain Taxed at 15%$0
Gain Taxed at 20%$0
Net Investment Income Tax (3.8%)$0
Effective Rate on Gain0%
After-Tax Proceeds$0
2026 long-term brackets: 0% up to $49,450 taxable income ($98,900 MFJ), 15% up to $545,500 ($613,700 MFJ), 20% above. Short-term gains are taxed as ordinary income at your regular brackets. The 3.8% NIIT applies when income exceeds $200,000 ($250,000 MFJ). Tax-loss harvesting and holding past one year are the two easiest ways to cut this bill. Estimates only, not tax advice.