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 Bridging the Confidence Gap In the world of finance, the effects of the "confidence gap" can be especially apparent. Encore Careers: Push Your Boundaries Ready for retirement? Find out why many are considering encore careers and push your boundaries into something more, here. Are Alternative Investments Right for You? With alternative investments, it’s critical to sort through the complexity.