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 Message Thank you! Oops! Related Content The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Bridging the Confidence Gap In the world of finance, the effects of the "confidence gap" can be especially apparent. The Investment Risk No One’s Ever Heard Of You face a risk for which the market does not compensate you, that can not be easily reduced through diversification.