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 Estate Management Checklist Is your estate in order? This short quiz may help you assess your overall strategy. The Half Million Dollar Baby The true cost of raising a child may be far more than you expect. Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are?