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 Protecting Your Home Against Flood Loss Protect yourself against the damage that your homeowners policy doesn’t cover. Protecting Your Business from the Loss of a Key Person Business owners may be able to protect themselves from the financial consequences of losing a key employee. How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain.