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 Question Thank you! Oops! Related Content Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Getting a Head Start on College Savings A few strategies that may help you prepare for the cost of higher education.