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. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content The Real Cost of a Vacation Home What if instead of buying that vacation home, you invested the money? The Business Cycle How will you weather the ups and downs of the business cycle? What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement.