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 Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. Insuring Your Second Home There are unique risks of owning a second home and obtaining the proper coverage may protect you from financial risk. Retirement Accounts When You Change Your Job This video discusses issues related to your retirement accounts when you move on from your job.