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 Who's On Your Financial Dream Team? On a team, all players count, but some key positions are more critical to success. Valuing Your Work as a Stay-at-Home Parent It's important to insure the life of a stay-at-home parent to protect the value they bring to the family. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.