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 What's So Great About a Rollover? Making a career move requires tough decisions, not the least of which is what to do with the funds in your retirement plan. Starting a Roth IRA for a Teen This early financial decision could prove helpful over time. Should You Ever Retire? A growing number of Americans are pushing back the age at which they plan to retire. Or deciding not to retire at all.