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 16 Wall Street Cliches in 60 Seconds Pundits say a lot of things about the markets. Let's see if you can keep up. Disability and Your Finances In the event of an unforeseen accident or illness, disability insurance may be a good way to protect your income and savings. Diversification, Patience, and Consistency Three important factors when it comes to your financial life.