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 Money that Buys Good Health is Never Ill Spent It's important to make sure your retirement strategy anticipates health-care expenses. When Life Insurance Becomes Taxable Life insurance proceeds are generally tax-free. But not in all cases. Emotional vs. Strategic Decisions Information vs. instinct. Are your choices based on evidence of emotion?