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 Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Buying Auto Insurance For Teen Drivers Tips on insuring your teen driver.