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 Exploring Retirement Plans for Small Businesses Help small businesses make better retirement decisions for employees with this eye-catching and informative infographic. 4 Elements of an Estate Strategy Learn about the importance of having an estate strategy in this helpful and informative video. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt.