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 7 Questions to Consider in Retirement Explore these must-ask questions for pursuing and living out your dream retirement. Investing for Impact Learn how to build a socially conscious investment portfolio and invest in your beliefs. AI Tools Changing Retiree Entrepreneurship The impact that Artificial Intelligence (AI) tools can have on retirees with a consulting or small business venture.