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. Related Content Medicare Advantage 101 Overview of Medicare Advantage, what’s in them, special rules, and more. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less.