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 Half Million Dollar Baby The true cost of raising a child may be far more than you expect. Financial Aid for Students 101 Help your college-bound child explore scholarships, grants, and more with this article on paying for higher education. What to Look for in Personal Finance Apps An increasing number have been developed to help individuals with their personal finances.