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 Do Our Biases Affect Our Financial Choices? Even the most seasoned investors have biases affecting their financial choices. How to Effectively Budget as a Couple Be sure that you agree on how to go about combining your finances as a couple before discussing how you'll handle expenses. Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less.