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 Alternative Investments - Going Mainstream Alternative investments are going mainstream for accredited investors. It’s critical to sort through the complexity. The Wild West of Data Theft Learn about cyber liability insurance in this entertaining video. Gun Ownership and Your Homeowners Policy Gun owners need to make sure that their homeowners policy covers the full value of their firearm(s) as personal liability.