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 | Related Content The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible. How Income Taxes Work A quick look at how federal income taxes work.