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 The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice. The Half Million Dollar Baby The true cost of raising a child may be far more than you expect. Your DNA Test Preparing for the unexpected can make all the difference if your family relies on your income.