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 Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. Infographic: The ABCs of Financial Literacy So you think you know what it means to be financially literate? See if your knowledge stands up against this infographic. The Big Picture– Cracking Open a Six Pack Knowing your risks is essential when making investment decisions and exit decisions.