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 Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. Spotting Credit Trouble The wise use of credit is a critical skill. These 10 questions will help you assess your skill level. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.