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 Rightsizing for Retirement What does your home really cost? Social Media: #NewestBusinessLiabilityRisk Social media may be a modern imperative for businesses looking to grow and build their brand, but it also introduces risk. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan.