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 Keep Your Umbrella Handy Umbrella liability can be a fairly inexpensive way to help shelter current assets and future income from the unexpected. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions.