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. Related Content Ways to Manage Your Money and Taxes in Retirement Careful planning and tax-efficient drawdown strategies can help you enjoy the lifestyle you've dreamed of in retirement. 7 Questions to Consider in Retirement Explore these must-ask questions for pursuing and living out your dream retirement. Managing the Risk of Outliving Your Money Steps to help you sustain and grow your retirement savings.