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 Question Thank you! Oops! Related Contents Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Six Most Overlooked Tax Deductions Six overlooked tax deductions to help manage your tax bill. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction.