Compound Interest Calculator
compound_interestRead-only
Grow a balance with compound interest and optional monthly contributions. Returns future value, total contributed, and interest earned.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| rate | No | Annual interest rate percent | |
| years | No | Term in years (default 10) | |
| timing | No | When contributions are added | |
| contrib | No | Monthly contribution | |
| compound | No | Compounds per year (default 12) | |
| principal | Yes | Starting amount |