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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content 2016 Tax Data You Should Know Like it or not, taxes are part of life. Understanding them could help your tax-saving strategy. 6 Tips on Ways to Spend Your Money for Happiness Can money buy happiness? Discover spending habits that can increase your satisfaction today and throughout your retirement. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.