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 Emerging Market Opportunities What are your options for investing in emerging markets? Estate Management Checklist Is your estate in order? This short quiz may help you assess your overall strategy. Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage.