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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content The Big Picture–Yellen Walks Steady Line Spoiler alert: interest on excess reserves, forward guidance, and asset buys will remain important. Three Key Questions to Answer Before Taking Social Security When to start? Should I continue to work? How can I maximize my benefit? It May Be Time for a Financial Checkup It’s never a bad time to speak with your financial professional about changes in your situation.