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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. Making Sense Of A Home Warranty Understanding the value of a home warranty.