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 Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers. The Value of Insuring Against Life’s Risks Building wealth requires protection from the forces of wealth destruction. Are Alternative Investments Right for You? With alternative investments, it’s critical to sort through the complexity.