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 Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers. What to Look for in Personal Finance Apps An increasing number have been developed to help individuals with their personal finances. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio.