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Fuel Economy Unit Converter
x402
Fuel Economy Unit Converter is a paid API for AI agents from units-convert.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-21).
Converts a fuel economy value between US mpg, UK mpg, km/L, and L/100km, optionally calculating trip fuel usage and cost.
Price / call$0.02
Success—
StatusUnknown
How this service works
Convert fuel economy between US mpg, UK mpg, km per litre and litres per 100 km, with optional trip fuel and cost.
Output
Returns the input fuel economy value expressed in all four units (US mpg, UK mpg, km/L, L/100km), plus optionally the total trip fuel consumption in litres and US gallons and the estimated trip fuel cost in USD if distance and price were provided.
Example use cases
European road trip fuel planning
“I'm renting a car in Europe rated at 6 litres per 100 km — can you convert that to US mpg and UK mpg, and figure out how many litres I'd need for a 300-mile trip with gas at $1.60 per litre equivalent?”
Comparing US and UK car specs
“A car listing says it does 55 mpg UK — what is that in US mpg and litres per 100 km so I can compare it to American models?”
Road trip cost estimate
“My truck gets 18 mpg US and I'm driving 250 miles — how many gallons will I burn and what will it cost me if gas is $4.10 per gallon? Also show me the equivalent in litres per 100 km.”
Technical details
Endpoint
GEThttps://units-convert.x402tookit.com/fuel-economy?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to programmatically convert a fuel economy figure across all four standard units in a single call, especially when you also want optional trip fuel and cost calculations bundled in. It is purpose-built for automotive/travel contexts and handles the mpg_us vs mpg_uk distinction (which many general unit converters conflate).
Side effects
- Missing required 'value' or 'unit' query parameters returns an error
- Unsupported unit string (not one of mpg_us, mpg_uk, km_per_l, l_per_100km) returns an error
- Non-numeric value for fuel economy or trip parameters returns a validation error
- Negative or zero fuel economy value may return an error or unexpected result
- Payment failure (x402) prevents the request from being fulfilled
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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