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 Message Thank you! Oops! Related Content The Real Cost of a Vacation Home What if instead of buying that vacation home, you invested the money? What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money. The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge.