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 Impact Investing or Philanthropy This fun piece can help your clients explore the benefits of impact investing versus founding a philanthropy. Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. 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.