Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Free Guide: All About Tax Reform In 2018, the United States saw the biggest overhaul to the tax code in 30 years. Download our free ebook now to learn about how these changes impacted the financial landscape. First Name Last Name Email Address Thank you! Oops! Related Content The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. Tax Deductions You Won't Believe Here are some examples of deductions from the IRS that were permitted and some that were, uh, too creative. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.