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? Emotional vs. Strategic Decisions Information vs. instinct. Are your choices based on evidence of emotion? When Heirs are Imperfect The money problems or bad lifestyle habits of adult children could lead to the squandering of any inheritance they receive.