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 Helpful Retirement Strategies for Women Learn how to address the challenges that women face when planning for retirement. What You Should Do About Insurance Following a Divorce In the face of divorce, making changes to insurance coverage may be overlooked. Retirement and Quality of Life Asking the right questions about how you can save money for retirement without sacrificing your quality of life.