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 What Is a 1031 Exchange? A look at 1031 Exchanges, a real estate investment strategy that may allow you to defer your capital gains taxes. Are Alternative Investments Right for You? With alternative investments, it’s critical to sort through the complexity. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset.