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 Message Thank you! Oops! Related Content SECURE Act 2.0: An Overview The second iteration of the SECURE Act brings forward several changes to the world of retirement. Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. To Catch a Thief Having your identity stolen may result in financial loss plus the cost of trying to restore your good name.