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 Question Thank you! Oops! Related Content Four Great, Unexpected Places to Raise a Family Here are 4 great, and sometimes unexpected, places to raise a family. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Don’t Let Bad Financial Habits Haunt Your Retirement When it comes to retirement, some people can quit working and fall immediately into good money habits that they’ve practiced for years.