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 Mutual Funds vs. ETFs Exchange-traded funds have some things in common with mutual funds, but there are differences, too. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away.