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 Budget Check Up: Tax Time Is the Right Time Tax preparation may be the perfect time to give the household budget a check-up. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next.