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 The Real Cost of a Vacation Home What if instead of buying that vacation home, you invested the money? Thanks, Mom! When it comes to managing your personal finances, there’s plenty of complex advice out there. But often, simpler is better. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.