How to use this mortgage calculator Motley Fool Money's mortgage affordability calculator with PMI, interest, and property taxes helps you understand how much a home loan will cost. It also makes it ...

Home price What you pay for the home (if buying) or your home's current value (if refinancing). Down payment (20%) The cash you pay upfront when buying a home as a percentage of your full loan amount.

Discover how to calculate the Loan-to-Value ratio using Excel, understand its importance in mortgage approvals, and determine PMI requirements efficiently.