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 Inflation & Retirement Estimate how much income may be needed at retirement to maintain your standard of living. All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever. A Living Trust Primer Living trusts are popular, but their appropriateness will depend upon your individual needs and objectives.