Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. 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 Roth IRA for Kids Learn about the benefits and requirements of opening a Roth IRA for kids. Protecting Your Home Against Flood Loss Protect yourself against the damage that your homeowners policy doesn’t cover. Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look.