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 Question Thank you! Oops! Related Content Investment Challenges of the Affluent Investor Affluent investors face unique challenges when putting together an investment strategy. Make sure you keep these in mind. Organizing Your Finances Spark joy and become more confident by giving your finances the home organization treatment. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.