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 Orchestrating Your Retirement Accounts Getting the instruments of your retirement to work in concert may go far in realizing the retirement you imagine. Forecast This short video helps explain why markets can be as unpredictable as the weather. Financial Aid for Students 101 Help your college-bound child explore scholarships, grants, and more with this article on paying for higher education.