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 Self-Employed Retirement Plans Estimate the maximum contribution amount for a Self-Employed 401(k), SIMPLE IRA, or SEP. Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money. How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain.