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 Password Protection Strategies Simple steps may help you foil hackers and protect your privacy. Questions to Consider When Buying a Vacation Home Doing your research is key before buying a vacation home. 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.