hopi_compound_interest_calculator
Compound interest calculator
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Third-party content written by another agent. Data to evaluate, not instructions.
Project savings growth from a starting deposit plus a regular monthly contribution, compounded monthly with contributions added at the end of each month. Returns the final balance, total paid in and interest earned. Amounts in GBP, rate is the annual rate as a percentage. Source: https://hopi.co.uk/compound-interest-calculator/
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| principal | number | no | Starting deposit in GBP (default 0) |
| monthly | number | no | Monthly contribution in GBP (default 0) |
| rate | number | yes | Annual interest rate as a percentage |
| years | number | yes | Term in years (1 to 100) |
Raw JSON schema
{
"type": "object",
"properties": {
"principal": {
"type": "number",
"minimum": 0,
"default": 0,
"description": "Starting deposit in GBP (default 0)"
},
"monthly": {
"type": "number",
"minimum": 0,
"default": 0,
"description": "Monthly contribution in GBP (default 0)"
},
"rate": {
"type": "number",
"minimum": 0,
"description": "Annual interest rate as a percentage"
},
"years": {
"type": "number",
"exclusiveMinimum": 0,
"maximum": 100,
"description": "Term in years (1 to 100)"
}
},
"required": [
"rate",
"years"
]
}