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 Managing Money as a Couple Keys to preparing to grow wealthy together. Once Upon a Goal Do you know how to set up your financial goals for success? This knight does. Jane Bond: Scaling the Ladder Agent Jane Bond is on the case, uncovering the mystery of bond laddering.