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 Question Thank you! Oops! Related Content My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. Retirement and Quality of Life Asking the right questions about how you can save money for retirement without sacrificing your quality of life. What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month.