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 | Related Content What Does That Mean? IDK Financial acronyms you should know. Preparing for the Expected You can plan ahead to protect yourself and your family against the financial consequences of deteriorating health. Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years.