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 Putting a Price Tag On Your Health Being healthy not only makes you feel good, it may also help you financially. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt.