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 Pickleball in Retirement Learn about the latest sport to sweep the nation with this informative article. Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. Data Thieves from Outer Space Learn about the dangers of internet fraud with this highly educational and fun “pulp” comic.