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 Smart Investors Know Savvy investors take the time to separate emotion from fact. A Decision Not Made Is Still a Decision Investors who put off important investment decisions may face potential consequence to their future financial security. What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons.