Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. 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? Address Thank you! Oops! Related Contents Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. How Income Taxes Work A quick look at how federal income taxes work. Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable.