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 How to Bake a Pie-R-A Roth IRAs are tax-advantaged differently from traditional IRAs. Do you know how? How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain. What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability.