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 Protection Against Uninsured Drivers You’re hit by an uninsured driver. Now what? Are you protected against financial losses? Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out.