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 How to Appeal Your Property Taxes For homeowners who think their property taxes are too high, there are ways to appeal. Net Unrealized Appreciation (NUA) Explained Have you considered the special tax treatment on company stock held in a 401(k) plan? Bull and Bear Go To Market Learn about the difference between bulls and bears—markets, that is!