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 Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. The Real Cost of a Vacation Home What if instead of buying that vacation home, you invested the money? Universal Life Insurance Universal life insurance is permanent insurance with a flexible premium. Here's how it works.