Loan Amortization Model
Calculate monthly payments, effective APR with fees/points, PMI tracking, and full amortization schedule for any fixed-rate loan.
Overview
What is a Loan Amortization?
A Loan Amortization model calculates the monthly payment, total interest, and effective APR for any fixed-rate loan. It generates a complete amortization schedule showing how each payment splits between principal and interest, and tracks PMI until the loan-to-value ratio drops below 80%.
Homebuyers use it to understand mortgage payments and compare loan options. Real estate professionals use it for deal structuring. Finance students use it to learn the time value of money in a practical context.
Features
What you get with this model
Monthly payment calculation for any loan amount
Effective APR including fees and points
PMI tracking with automatic removal
Full amortization schedule (principal vs. interest breakdown)
Formula-driven Excel export
Use cases
How to use this model
Mortgage comparison: which loan structure saves the most?
Real estate deal analysis: model the debt component
Personal finance: plan for a major purchase
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