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 How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain. The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan.