Amortization Calculator
amortization_calculatorRead-onlyIdempotent
This amortization calculator splits every payment into principal and interest, shows your payoff date and what extra payments save, and exports to CSV. Web page: https://calcbright.com/amortization-calculator
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| rate | No | Interest rate (%) | |
| term | No | Loan term | |
| unit | No | Term in | years |
| extra | No | Extra payment / month Added to principal every month from the first payment. | |
| start | No | First payment date (YYYY-MM-DD) | 2026-11-01 |
| amount | No | Loan amount | |
| currency | No | Currency | USD |