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 The ABC’s of Auto Insurance What kind of auto insurance should you have? Do you know? The Value of Insuring Against Life’s Risks Building wealth requires protection from the forces of wealth destruction. Five Most Overlooked Tax Deductions Five overlooked tax deductions to help manage your tax bill.