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? Name Email Address Question Thank you! Oops! Related Content Market View Update - September 2016 The Dow Jones Industrial Average, Nasdaq, and S&P 500 have all hit record highs in recent weeks. Buying vs. Leasing a Car Whatever your relationship with your car, it may eventually come time for a new one. Familiarize yourself with your options. Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns.