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 Question Thank you! Oops! Related Content Home Ownership by the Numbers Tips on home-buying for Millennials. Business Boosters: Can Your Business Survive Without You? If you didn't show up tomorrow, would your employees be able to go it alone? Market View Update - September 2016 The Dow Jones Industrial Average, Nasdaq, and S&P 500 have all hit record highs in recent weeks.