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 Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money. Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money.