Capital Gains Calculator – Estimate Investment Gain and Tax

Capital Gains Calculator

Estimate your investment gain and an optional tax amount.

How to Use the Capital Gains Calculator

Enter the purchase price, sale price and any tax rate you want to model. The calculator estimates investment gain and the tax amount based on the rate entered.

Practical Example

If an investment is bought for USD 20,000 and sold for USD 28,000, the gain is USD 8,000. At a modeled 15% tax rate, estimated tax is USD 1,200.

Factors That Affect the Result

Cost basis adjustments, commissions, holding period, jurisdiction, exemptions, losses and tax brackets can change actual taxable gains.

Frequently Asked Questions

What is a capital gain?

It is the difference between sale proceeds and adjusted cost basis when the result is positive.

Does this calculator know my actual tax rate?

No. It uses the rate you enter.

Can losses reduce taxable gains?

Tax rules may allow losses to offset gains, but this simple calculator does not model all tax rules.