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 Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way. Retiree Health Care Coverage Overseas Retirees traveling abroad need to know that their health insurance travels with them. Do Our Biases Affect Our Financial Choices? Even the most seasoned investors have biases affecting their financial choices.