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 When Markets React When markets shift, experienced investors stick to their strategy. Buying Auto Insurance For Teen Drivers Tips on insuring your teen driver. Retirement Is a Beginning Key questions to answer when you are considering retirement.