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 Diversification, Patience, and Consistency Three important factors when it comes to your financial life. What You Should Do About Insurance Following a Divorce In the face of divorce, making changes to insurance coverage may be overlooked. Should I Accept a Free Credit Lock? Learn the ins and outs of credit locks, freezes, and more.