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 Message Thank you! Oops! Related Content Money Draining Food Myths These food myths will really put a drain on your wallet. Getting a Head Start on College Savings A few strategies that may help you prepare for the cost of higher education. When Markets React When markets shift, experienced investors stick to their strategy.