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 Question Thank you! Oops! Related Content Lifetime of Earnings Estimate how much you have the potential to earn during your working years. A Primer on Dividends A company's profits can be reinvested or paid out to the company’s shareholders as “dividends." What You Should Do About Insurance Following a Divorce In the face of divorce, making changes to insurance coverage may be overlooked.