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 Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college. Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. Medicare At 65+ 65 or older? It may be time to enroll in Medicare. Read to learn if you’re eligible.