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 Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Succeeding at Business Succession There are a number of reasons for business owners to consider a business succession plan sooner rather than later. Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college.