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 Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio. Should You Ever Retire? A growing number of Americans are pushing back the age at which they plan to retire. Or deciding not to retire at all.