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 The Junk Drawer Approach to Investing It's easy to let investments accumulate like old receipts in a junk drawer. The Cost of Procrastination Don't let procrastination keep you from pursuing your financial dreams and goals. Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance.