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 A Look at Whole Life Insurance Whole life insurance remains in force as long as you remain current with premiums. Here's how it works. Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. The Five Basics of Financial Literacy How literate are you when it comes to your finances? Brush up with these five basics.