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 A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit. Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.