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 Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. Bulletproofing Your Business Small businesses are at risk when they lose a key employee. Here’s how you can protect yourself.