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 Where Will Your Retirement Money Come From? Retirement income may come from a variety of sources. Here's an overview of the six main sources. Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process.