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 Surprises Making the most of surprises is a great reason to work with us. Five Most Overlooked Tax Deductions Five overlooked tax deductions to help manage your tax bill. Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio.