Original article updated 2026-04-20. Retained for reference. Confirm current requirements with an appropriate provider or administering agency.
Use this guide to prepare the assumptions for pmi. This page does not calculate a result or provide a lending decision.
Gather consistent inputs
Write down the property value, financing amount, rate structure, repayment period, fees and timing that matter to your comparison. Obtain actual terms from a verified provider and distinguish estimates from confirmed costs.
Use the available planning tools
Our mortgage payment calculator models fixed-rate principal and interest with separate taxes, insurance and association costs. The refinance comparison includes cash costs and remaining balances. For income-producing property, the commercial calculator models debt service, DSCR and a maturity balance.
Check the limits of the calculation
A planning model cannot reproduce every product, program, variable rate, fee or underwriting requirement. Ask the provider which assumptions apply and review written terms before relying on a result.