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 Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. Your Emergency Fund: How Much Is Enough? Having an emergency fund may help alleviate the stress and worry associated with a financial crisis. Investments You’ve made investments your whole life. Work with us to help make the most of them.