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 What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. Financial Aid for Students 101 Help your college-bound child explore scholarships, grants, and more with this article on paying for higher education. Managing Money as a Couple Keys to preparing to grow wealthy together.