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 Raising Healthy Children Healthy habits are one of the greatest gifts to give your child. Social Security: Maximizing Benefits There are other ways to maximize Social Security benefits, in addition to waiting to claim them. Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away.