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 Message Thank you! Oops! Related Content Retirement Traps to Avoid Beware of these traps that could upend your retirement. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does.