Capital Gains Tax Estimate Calculator

Estimate capital gains taxes on investment profits. Calculate taxes on stock sales, real estate, and other asset gains.

When you sell an investment for a profit, you owe capital gains tax. The rate depends on how long you held the asset and your income level. This calculator estimates your tax liability on investment gains.

Calculator

$
$
Capital Gain/Loss
$0.00
Tax Rate
15.00%
Estimated Tax
$0.00
Net Proceeds After Tax
$0.00

Common use cases

  • Tax planning before selling
  • Evaluating investment returns after tax
  • Year-end tax optimization
  • Real estate sale planning

How to use

  1. Enter your cost basis (what you paid)
  2. Enter the sale price
  3. Select short or long-term holding
  4. Choose your tax bracket
  5. See estimated capital gains tax

FAQ

What qualifies as long-term?

Assets held longer than one year qualify for lower long-term capital gains rates (0%, 15%, or 20%).

Can I offset gains with losses?

Yes, capital losses can offset gains. Excess losses (up to $3,000/year) can offset ordinary income.

What about the 3.8% Medicare surtax?

High earners may owe an additional 3.8% Net Investment Income Tax on capital gains.

This calculator provides illustrative estimates for planning purposes only and does not constitute financial, tax, or legal advice.