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 Jane Bond: Scaling the Ladder Agent Jane Bond is on the case, uncovering the mystery of bond laddering. How to Conquer the World - 5 Financial Strategies for Savvy Learn more about women taking control of their finances with this infographic. Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors.