The Mortgage APR Calculator is a tool designed to provide detailed financial calculations for a mortgage. By inputting key parameters such as house value, down payment percentage, loan term, interest rate, loan fees, points, and PMI insurance per year, the calculator outputs essential mortgage details. These include the real Annual Percentage Rate (APR), loan amount, down payment, monthly payment, total of all payments, total interest paid, and all payment fees. This tool is useful for prospective homebuyers to understand the full cost of their mortgage and make informed financial decisions.