Fuel Consumption Converter
Convert between fuel consumption units
rate：1 mpg (US) = 235.214583 L/100km
Results in all units
40 mpg (US)| Unit | Symbol | Value |
|---|---|---|
| Consumption | ||
| Liters/100 km | L/100km | 5.880365 |
| Kilometers/liter | km/L | 17.005748 |
| Mileage | ||
| Miles/US gallon | mpg (US) | 40 |
| Miles/UK gallon | mpg (UK) | 48.037997 |
About Fuel Consumption Conversion
40 Miles/US gallon equals 5.880365 Liters/100 km. The conversion rate is 1 mpg (US) = 235.214583 L/100km. You can switch to any other unit of this category above and see the result instantly.
This converter supports 4 units in total, including Liters/100 km, Kilometers/liter, Miles/US gallon, Miles/UK gallon, and covers metric, imperial and Chinese traditional systems.
Fuel consumption conversion directly relates to car purchases, logistics costs, and environmental emissions. In Europe and China, liters per 100 kilometers (L/100km) is the standard for evaluating fuel efficiency, while in the US, miles per gallon (MPG) is used.
All values follow internationally accepted definitions and are rounded to the decimals you choose. The calculation runs entirely in your browser, so nothing is uploaded or stored on a server.
History & Background
With the birth of the internal combustion engine in the late 19th century, fuel consumption became a core metric of the auto industry. Early cars lacked a uniform measurement standard until the oil crises of the 1970s forced governments to mandate official fuel economy data.
Conversion Details
Fuel consumption is usually expressed as L/100 km (lower is better) or mpg (higher is better).
Common conversions: 1 US mpg ≈ 235.21 / (L/100km), 1 UK mpg ≈ 282.48 / (L/100km).