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 Message Thank you! Oops! Related Content Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. Financial Fixes: The Most Expensive Cheap Vacation Many travel-loving millennials run up high credit card debt. Here are some ways to avoid travel credit trap. The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge.