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 Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan. Prevent a Rift: Money Tips for Newlyweds Couples may be able to head off many of the problems in a marriage that money can cause. Surprises Making the most of surprises is a great reason to work with us.