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 When to Self-Insure Choosing to bear the financial burden of an adverse event is called self-insuring. Do you know what that entails? Starting a Roth IRA for a Teen This early financial decision could prove helpful over time. Money that Buys Good Health is Never Ill Spent It's important to make sure your retirement strategy anticipates health-care expenses.