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 Learn, Earn and Retire at Any Age What can the rest of us learn from millennials’ desire to embrace all of life in the moment? Vacation Without the Guilt Trip Travel doesn’t have to be a financial headache. Paying Tax Later Doesn't Always Mean Paying Less 401(k) savings are taxed as ordinary income when funds are withdrawn.