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 Question Thank you! Oops! Related Content Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. Gifting of A Stronger Financial Future Here’s a gift idea that can help create a stronger financial future for your child or grandchild. Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage.