Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. Replacing Your Medicare Card Learn how to replace your lost, stolen, or damaged Medicare card in this helpful article.