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 Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance.