Capital Gains Calculator
Calculate capital gains tax owed on an asset sale.
Amortization schedule
| # | Payment | Principal | Interest | Balance |
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Showing first 12 of months.
Growth over time
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Introduction
Capital Gains Calculator — Calculate capital gains tax owed on an asset sale. Enter Sale price, Cost basis, Term, Tax rate (%) to get an instant, accurate result.
Formula
Gain = sale price − cost basis. Tax owed = gain × tax rate % (only if the gain is positive). Net gain = gain − tax owed.
Step-by-step
- Enter the Sale price.
- Enter the Cost basis.
- Enter the Term.
- Enter the Tax rate (%).
- Click Calculate to see your result instantly.
Real-world example
Example: With Sale price = 15000, Cost basis = 10000, Term = 1, Tax rate (%) = 15, the Capital Gains Calculator gives Gain: 5000, Term: long-term, Tax Owed: 750.
Frequently Asked Questions
Why does it ask if the holding is long-term?
Long-term gains (assets held over a year, in the U.S.) are typically taxed at lower preferential rates than short-term gains, which are taxed as ordinary income — so you should enter the rate that matches your actual holding period.
What if I have a loss instead of a gain?
No tax is applied on a negative gain (a loss); the calculator reports the loss but zero tax owed.
What inputs does the Capital Gains Calculator need?
You'll need to provide: Sale price, Cost basis, Term, Tax rate (%). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Capital Gains Calculator?
The Capital Gains Calculator applies the formula exactly as calculated — Gain = sale price − cost basis. Tax owed = gain × tax rate % (only if the gain is positive). Net gain = gain − tax owed. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Are these results guaranteed?
No. The Capital Gains Calculator gives an estimate based on the numbers you enter and standard financial formulas — actual rates, fees, taxes, and terms vary by lender, institution, and jurisdiction, and can change over time. This is not financial advice; consult a qualified financial professional for decisions specific to your situation.
Is the Capital Gains Calculator free to use?
Yes, the Capital Gains Calculator is completely free, requires no signup, and runs instantly in your browser.
About the Capital Gains Calculator
The Capital Gains Calculator uses a real, verifiable formula — Gain = sale price − cost basis. Tax owed = gain × tax rate % (only if the gain is positive). Net gain = gain − tax owed. — so results are accurate every time, not an approximation.