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 Potential Income from an IRA Estimate your monthly and annual income from various IRA types. The Five Basics of Financial Literacy How literate are you when it comes to your finances? Brush up with these five basics. The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are.