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 How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money and give you peace of mind. What Can You Buy With 529 Distributions? This article can be a helpful guide when begin preparing for education expenses. The Average American Budget Learn about the average American budget in this fun and interactive piece.