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. The Most Overlooked Item of Any Home Improvement The item most homeowners forget on their home improvement project checklist is insurance. Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way.