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 What Smart Investors Know Savvy investors take the time to separate emotion from fact. 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. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.