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 Bi-Weekly Payments This calculator estimates the savings from paying a mortgage bi-weekly instead of monthly. Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates.