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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons. Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage.