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 The Great Debate Continues: Active vs. Passive In investments, one great debate asks the question, “Active or Passive Investing: Which Is Better?” What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio.