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 Getting a Head Start on College Savings A few strategies that may help you prepare for the cost of higher education. 5 Benefits of Working in Retirement Here are 5 reason why you may consider working through retirement. Financial Aid for Students 101 Help your college-bound child explore scholarships, grants, and more with this article on paying for higher education.