The real estate calculators here are the mortgage tax deduction calculator, private mortgage insurance (PMI) calculator, 15 year versus 30 year mortgage comparison calculator, advanced loan payment calculator, amortization calculator, adjustable rate mortgage calculator, mortgage affordability calculator, and debt to income calculator. Let us know if you need recommendations for senior loan officers. These mortgage calculators will help you understand your qualification range for buying a home. But it is still necessary to work with a qualified mortgage lender for a qualification letter to accompany a regional or builders sales contract.