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 Little Things: 5 Easy Ways to Protect Your Money Put measures in place to help you replace a portion of your income if the unexpected happens. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics. What to Expect in the Next Four Years With a new administration, things will change, but no one knows exactly how. Here’s a little insight.