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 Navigating Retirement Pitfalls Why are they made again and again? Making sense of these errors in judgement. Insurance Needs Assessment: Married With Children When you’re married and have children, insurance needs will be different. Does Your Portfolio Fit Your Retirement Lifestyle? Lifestyle considerations in creating your retirement portfolio.