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 How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money and give you peace of mind. Insuring Your Second Home There are unique risks of owning a second home and obtaining the proper coverage may protect you from financial risk. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.