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 A Home Insurance Claim: To File Or Not To File Learn when it may not make sense to file a claim on your home insurance. The Latte Lie and Other Myths Check out this video to begin separating fact from fiction. What Smart Investors Know Savvy investors take the time to separate emotion from fact.