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 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. Infographic: Playing the Odds With Your Future? Plan for the things you can protect against, like a loss of income due to illness or injury. The Average American Budget Learn about the average American budget in this fun and interactive piece.