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 Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away. Dreaming Up an Active Retirement When you retire, how will you treat your next chapter? Why Medicare Should Be Part of Your Retirement Strategy How Medicare can address health care needs in your retirement strategy.