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 Saving for College This calculator can help you estimate how much you should be saving for college. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Retirement and Quality of Life Asking the right questions about how you can save money for retirement without sacrificing your quality of life.