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 Are You Ready for Your Portfolio to Make a Difference? Learn about the rise of Impact Investing and how it may benefit you. When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. The ABC’s of Auto Insurance What kind of auto insurance should you have? Do you know?