Capital Gains Tax Calculator
Free capital gains tax calculator. Get instant results — no signup, no account. Plan and compare with confidence.
Use the Capital Gains Tax Calculator below.
Estimate capital gains tax on sale of stocks, property, or other assets. Enter cost basis, sale price, and holding period. Free capital gains tax calculator for USA and worldwide.
How to use Capital Gains Tax Calculator
Enter cost and sale price
Input purchase price (cost basis) and sale price.
Enter holding period
Input how long you held the asset.
View tax
See estimated capital gains tax.
Features
- Instant results — no waiting or signup.
- Free to use — no hidden fees.
- No login or account required.
- Works on all devices — desktop, tablet, and mobile.
- Your data stays private — we do not store your inputs.
Why use this calculator
- Plan your finances with accurate estimates.
- Compare scenarios in seconds.
- Make informed decisions before you borrow or invest.
Supported browsers and devices
- All modern browsers (Chrome, Firefox, Safari, Edge).
- Mobile-friendly — use on phone or tablet.
- No app download — runs in your browser.
Frequently asked questions
Complete guide to Capital Gains Tax Calculator
What is a capital gains calculator?
A capital gains calculator estimates the tax on gains from selling investments (stocks, mutual funds, property). Short-term gains (typically held one year or less) are usually taxed as ordinary income; long-term gains often get lower rates. Enter cost basis, sale price, and holding period to estimate tax. Use it to plan asset sales and tax-loss harvesting.
Short-term vs long-term capital gains
| Holding period | US federal treatment | Typical rate |
|---|---|---|
| One year or less | Short-term | Same as ordinary income |
| More than one year | Long-term | 0%, 15%, or 20% (depending on income) |
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Disclaimer
Our financial calculators are for informational and educational purposes only. Results are estimates based on the inputs you provide and standard formulas. They are not financial, tax, or legal advice. We do not store or share the numbers you enter.