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 Saving for College This calculator can help you estimate how much you should be saving for college. Buying Auto Insurance For Teen Drivers Tips on insuring your teen driver. Retiring Earlier Than Expected? What To Know Retiring earlier than expected can be disheartening. Learn steps that can help you smoothe the road ahead.