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 Does Your Portfolio Fit Your Retirement Lifestyle? Lifestyle considerations in creating your retirement portfolio. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. Is Term Life Insurance for You? Term insurance is the simplest form of life insurance. Here's how it works.