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 Strategies for Managing Student Loan Debt Five strategies for managing your student debt. Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio. Bull & Bear Markets: A Timeline This helpful infographic will define bull and bear markets, as well as give a historical overview.