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 The Anatomy of an Index The S&P 500 represents a large portion of the value of the U.S. equity market, it may be worth understanding. 7 Questions to Consider in Retirement Explore these must-ask questions for pursuing and living out your dream retirement. The Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report?