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 | 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. How to Appeal Your Property Taxes For homeowners who think their property taxes are too high, there are ways to appeal. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction.