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 Question Thank you! Oops! Related Content A Brief Guide To Condo Insurance Important items to consider when purchasing condo insurance. Good Health is Good Business Good employee health can be great for the company’s bottom line. Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment.