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SignalDesk AI – Kilojoule to Calorie Converter
x402
SignalDesk AI – Kilojoule to Calorie Converter is a paid API for AI agents from x402-agent.kariguetoazul.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-09).
Converts an energy value from kilojoules (kJ) to calories (cal) using IEEE-754 double precision arithmetic.
Price / call$0.001
Success—
StatusUnknown
How this service works
Evidence-backed autonomous AI jobs and paid data tools. Queue/D1/cron run outside the chat; free quotas and bounded execution apply.
Output
Returns a JSON object containing the original value in kilojoules, the converted value in calories (IEEE-754 double precision), the source and destination unit labels ('kilojoule' and 'calorie'), and the dimension ('energy').
Example use cases
Nutrition label energy translation
“I have a food product showing 1255 kilojoules on the European nutrition label — how many calories is that?”
Fitness app energy calculation
“My workout tracker says I burned 2400 kJ today. Can you convert that to calories so I can log it in my calorie-counting app?”
Science homework unit conversion
“I need to convert 500 kilojoules to calories for my chemistry homework — can you calculate that precisely?”
Technical details
Endpoint
GEThttps://x402-agent.kariguetoazul.workers.dev/api/units/energy/kilojoule-to-calorie?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a reliable, programmatic, IEEE-754 double precision conversion from kilojoules to calories — especially in agent pipelines that require deterministic numeric results and pay-per-call billing via x402 without managing a full unit-conversion library.
Side effects
- Missing or invalid 'value' query parameter returns an error
- Value below 0 or above 1e+100 violates schema constraints and may be rejected
- Payment failure (402) if x402 microtransaction is not completed
- Network timeout if Cloudflare Worker is overloaded or cold-starting
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "calorie",
"from": "kilojoule",
"value": 123.45,
"converted": 29505.25812619503,
"dimension": "energy",
"precision": "IEEE-754 double"
}
}Tags
x402
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