amortizationClassic tool

Simplified Amortization Calculator

Compare Price and constant amortization with focus on payment shape and total interest.

This calculator summarizes two common loan structures: Price and constant amortization. Enter the financed amount, annual interest rate and term in months to compare first payment, last payment, average payment and total interest.

It is useful as a first-pass estimate before deeper planning or before reviewing a detailed financing proposal.

Use clear inputs to get a more useful result.