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 Question Thank you! Oops! Related Content Prevent a Rift: Money Tips for Newlyweds Couples may be able to head off many of the problems in a marriage that money can cause. Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need. Finding the Balance The sandwich generation faces unique challenges. For many, meeting needs is a matter of finding a balance.