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ForgeMesh Metric-Imperial Unit Converter
x402
ForgeMesh Metric-Imperial Unit Converter is a paid API for AI agents from x402.forgemesh.io, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Converts values between metric and imperial units (miles↔km, lb↔kg, °F↔°C, gallons↔liters, and 100+ more) using exact conversion factors in a single API call.
Price / call$0.001
Success—
StatusUnknown
How this service works
Metric-imperial conversion API: miles↔km, lb↔kg, °F↔°C, gallons↔liters and 100+ more units, one call, exact factors. Deterministic and auditable — cheaper than burning reasoning tokens, zero arithmetic-hallucination risk, and the result can be cited.
Output
Returns the converted numeric value in the target unit, computed using an exact deterministic conversion factor. The response is auditable and citable, with no rounding or arithmetic approximation from an LLM.
Example use cases
Recipe scaling for European audience
“I have a US recipe that calls for 2.5 cups of milk and 1.5 pounds of flour — convert those to liters and kilograms so I can share it with my European friends.”
Fitness tracker distance conversion
“My run was logged as 10 miles — what is that in kilometers? I need the precise number to enter into my metric fitness app.”
Shipping weight compliance check
“A package weighs 47 pounds — convert that to kilograms so I can check whether it meets the 20 kg international shipping limit.”
Technical details
Endpoint
POSThttps://x402.forgemesh.io/metric-imperial-convertWhen to prefer
Choose this endpoint when you need a precise, deterministic, auditable unit conversion without risking LLM arithmetic hallucination. Especially valuable in agent pipelines where the result must be cited or verified, or when converting across 100+ supported unit pairs spanning length, mass, temperature, volume, speed, and more. Prefer over in-context LLM math for any conversion that will feed downstream calculations or be presented to users as a factual figure.
Side effects
- Unsupported unit pair (e.g. incompatible dimensions like miles to kg) returns an error
- Missing required fields (value, from, or to) returns a validation error
- Non-numeric value string causes a parse error
- Ambiguous unit abbreviation (e.g. 't' for tonne vs. ton) may return unexpected results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| to | string | target unit e.g. km |
| from | string | source unit e.g. mi |
| value | string |
Output
Schema · Response
{
"type": "json",
"example": {
"result": 42.164811,
"unit_name": "Kilometers"
}
}Tags
x402
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