Fuel Economy Unit Converter

Convert vehicle fuel economy ratings between km/L, US MPG, UK MPG, and L/100km.

How It Works & Processing Standards

Enter values above to calculate results automatically. Check each input field for guidance and units.

Example: value=10, from=km/L, to=L/100km → 10

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 100,000 characters

Fuel Economy Unit Converter is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Fuel Economy Unit Converter

  1. 1
    Enter ValueType efficiency number.
  2. 2
    Select From UnitChoose origin unit (km/L, MPG, L/100km).
  3. 3
    Select To UnitChoose target unit.

Common Use Cases

  • Translating European L/100km fuel ratings to North American MPG
  • Comparing Japanese domestic km/L ratings to imported car specs
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