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 The Economic Journey of Your Morning Coffee Few contemplate the complex journey that brought their coffee from farm to kitchen table. When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. Creative Ways to Motivate Your Employees Five creative (and inexpensive) ideas for motivating your employees.