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Speed Unit Converter: Kilometers per Hour to Centimeters per Second
x402
Speed Unit Converter: Kilometers per Hour to Centimeters per Second 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 2026-10-13).
Converts a speed value from kilometers per hour (km/h) to centimeters per second (cm/s) with IEEE-754 double precision.
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 km/h, the converted value in cm/s (IEEE-754 double precision), the source unit label ('kilometer-per-hour'), the target unit label ('centimeter-per-second'), and a dimension field confirming 'speed'. Example: 123.45 km/h → 3429.1666... cm/s.
Example use cases
Physics homework speed conversion
“I need to convert 72 km/h to centimeters per second for my physics problem — can you do that calculation?”
Scientific data normalization
“I have a sensor reading of 45.5 kilometers per hour and I need it expressed in centimeters per second for my data pipeline.”
Sports analytics velocity check
“A runner is clocked at 28 km/h — what is that speed in centimeters per second?”
Technical details
Endpoint
GEThttps://x402-agent.kariguetoazul.workers.dev/api/units/speed/kilometer-per-hour-to-centimeter-per-second?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a direct, precise, machine-readable conversion from km/h to cm/s without setting up local math, especially in agent pipelines that call x402-paid micro-APIs. Prefer it over a general-purpose math tool when you want a guaranteed schema-consistent response with labeled units and dimension metadata.
Side effects
- Missing required 'value' query parameter returns an error response
- Negative input value rejected (minimum is 0)
- Value exceeding 1e+100 rejected (maximum bound)
- Non-numeric value for 'value' parameter causes validation failure
- Network/worker timeout if Cloudflare infrastructure is under load
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "centimeter-per-second",
"from": "kilometer-per-hour",
"value": 123.45,
"converted": 3429.166666666667,
"dimension": "speed",
"precision": "IEEE-754 double"
}
}Tags
x402
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