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 Retiring the 4% Rule A portfolio created with your long-term objectives in mind is crucial as you pursue your dream retirement. A Meal for All Generations When it comes to generational differences, knowing the facts can be difficult. When Life Insurance Becomes Taxable Life insurance proceeds are generally tax-free. But not in all cases.