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 Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. How to Make the Tax Code Work for You When you take the time to learn more about how it works, you may be able to put the tax code to work for you. Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio.