Fuel Efficiency Converter

Fuel Efficiency Converter makes fuel economy numbers easy to compare across countries.

Buying a car from abroad, renting overseas, or reading a spec sheet in unfamiliar units? Type a value in any field and the other three update instantly.

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Supported units
• km/L — kilometres per litre (Korea, Japan, and more)
• L/100km — litres per 100 km (Europe, Canada, and more)
• MPG (US) — miles per US gallon (United States)
• MPG (UK) — miles per imperial gallon (United Kingdom)
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Why you'll like it
• Four-way conversion — edit any unit, the rest follow
• A small note shows where each unit is commonly used
• Light, dark, and system themes
• Works fully offline — no account, no clutter

Whether you compare cars across markets, plan a road trip with a rental, or just want to understand a foreign mileage figure, the conversion is one tap away.