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 U.S. Personal Savings Rate What can be learned from the savings rate? Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card.