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 Risk Tolerance: What’s Your Style? Learn about what risk tolerance really means in this helpful and insightful video. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Disability and Your Finances In the event of an unforeseen accident or illness, disability insurance may be a good way to protect your income and savings.