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 Money that Buys Good Health is Never Ill Spent It's important to make sure your retirement strategy anticipates health-care expenses. Starting a Roth IRA for a Teen This early financial decision could prove helpful over time. Market View Update - September 2016 The Dow Jones Industrial Average, Nasdaq, and S&P 500 have all hit record highs in recent weeks.