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 Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. Suddenly Single: 3 Steps to Take Now Have you found yourself suddenly single? Here are 3 steps to take right now. Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles.