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 The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance. Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next.