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 Safeguard Your Digital Estate If you died, what would happen to your email archives, social profiles and online accounts? A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time.