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 | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Infographic: Top Tip for Tipping Do you really have to tip 25% on a $5 coffee? What about your ride-share driver? Learn from the experts. The Junk Drawer Approach to Investing It's easy to let investments accumulate like old receipts in a junk drawer.