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 | Related Content Making Your Tax Bracket Work Have you explored all your options when it comes to managing your taxable income? Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.