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 Three Key Questions to Answer Before Taking Social Security When to start? Should I continue to work? How can I maximize my benefit? Forecast This short video helps explain why markets can be as unpredictable as the weather. Bridging the Confidence Gap In the world of finance, the effects of the "confidence gap" can be especially apparent.