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 Keeping Summer Safe: Pool and Spa Safety Tips Each year hundreds of children die or are injured in pool accidents. By taking seven steps, you can keep your pool safe. Password Protection Strategies Simple steps may help you foil hackers and protect your privacy. Buying vs. Leasing a Car Whatever your relationship with your car, it may eventually come time for a new one. Familiarize yourself with your options.