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 Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work.