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 Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock. What's So Great About a Rollover? Making a career move requires tough decisions, not the least of which is what to do with the funds in your retirement plan.