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 To Buy or Not to Buy The decision whether to buy or rent a home may have long-term implications. 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. U.S. Personal Savings Rate What can be learned from the savings rate?