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. Related Content How to Read Your Credit Report Solve a mystery while learning how important your credit report is with this story-driven interactive. Retiring the 4% Rule A portfolio created with your long-term objectives in mind is crucial as you pursue your dream retirement. Financially Savvy at Six Figures Help your clients with these practical steps to make the most of their six-figure income.