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 Budget Check Up: Tax Time Is the Right Time Tax preparation may be the perfect time to give the household budget a check-up. Making a Charitable Gift Did you know that there are benefits and limitations when you decide to donate stock? Learn more about your options. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan.