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 Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate. Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less.