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 Personal Finance Tips for Military Families Military families face unique challenges, making personal finance even more critical. The A, B, C, & D of Medicare Learn about all the parts of Medicare with this informative and enjoyable article. Budgeting After a Divorce Divorce is the second most stressful time in a person's life. Here's some tips to get through it.