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 When Life Insurance Becomes Taxable Life insurance proceeds are generally tax-free. But not in all cases. Your DNA Test Preparing for the unexpected can make all the difference if your family relies on your income. The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are.