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 Charitable Giving: Smart from the Heart Do you have causes that you want to support with donations? When Does Your Personal Car Become a Commercial Vehicle? At what point can you call a personal vehicle commercial? Medicare Advantage 101 Overview of Medicare Advantage, what’s in them, special rules, and more.