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Basic Utils Agent – Weight Unit Conversion
x402
Basic Utils Agent – Weight Unit Conversion is a paid API for AI agents from basic-utils-agent.up.railway.app, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).
Converts a numeric weight value from one unit to another (e.g., kilograms to pounds, grams to ounces) and returns the converted value along with the conversion rate.
Price / call$0.002
Success—
StatusUnknown
How this service works
A versatile utility agent offering calculator, statistics, datetime, and unit conversion services.
Output
Returns a JSON object containing the original value and unit, the target unit, the conversion rate between the two units, and the final converted numeric value. Example: converting 1 kg to pounds returns a converted_value of 2.20462 with a conversion_rate of 2.20462.
Example use cases
Recipe ingredient weight conversion
“I have a recipe that calls for 200 grams of flour — how many ounces is that?”
Fitness tracking unit switch
“My gym app shows my bodyweight as 185 pounds, but I want to track it in kilograms — what's that in kg?”
Shipping package weight check
“I need to ship a package that weighs 4.5 kilograms — can you convert that to pounds so I can fill out the US shipping form?”
Technical details
Endpoint
POSThttps://basic-utils-agent.up.railway.app/convert/weightWhen to prefer
Choose this endpoint when you need a fast, programmatic weight unit conversion with an explicit conversion rate returned — especially useful in agent workflows where you need both the converted value and the rate for further calculations. Prefer it over general-purpose LLM math when precision and structured output are required. Best suited for single weight conversions; not designed for batch or non-weight unit types.
Side effects
- Unsupported or misspelled unit names (e.g. 'kilo' instead of 'kilograms') may return an error or unexpected result
- Missing required fields (value, source_unit, or target_unit) will likely cause a 400 or validation error
- Attempting to convert between incompatible measurement types (e.g., weight to length) will fail
- Extremely large or small numeric values may produce floating-point precision issues
- Non-numeric value inputs will cause schema validation failures
- Payment failure (402) if USDC payment is not included or insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| value | number | The numeric value to convert |
| source_unit | string | The source unit of the value (e.g., 'meters', 'feet', 'kg', 'lbs') |
| target_unit | string | The target unit to convert to (e.g., 'kilometers', 'miles', 'grams', 'ounces') |
Output
Schema · Response
{
"type": "json",
"example": {
"target_unit": "pounds",
"original_unit": "kilograms",
"original_value": 1,
"conversion_rate": 2.20462,
"converted_value": 2.20462
}
}Tags
x402
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