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MPG to L/100km Conversion Tool

Easily convert between different international fuel economy metrics like MPG and L/100km.

km/L equivalent

12.00km/L

💡 A good level of fuel economy.

US MPG
28.23MPG
UK MPG
33.90MPG
L/100km
8.33L/100km

How it works

Fuel economy notation varies by country: km/L (Korea, Japan), MPG (US, UK), and L/100km (Europe — lower is better). This tool converts between them using km/L as the common base.

FAQ

Q. Why do US and UK MPG differ?

A. The gallon differs — a US gallon is 3.785L, a UK (imperial) gallon is 4.546L — so the same real fuel economy shows a higher UK MPG number.

Q. Why is lower better for L/100km?

A. It measures fuel consumed per 100km, so using less fuel means better efficiency.

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