How to Use Our Converter?
To use the mpg to liters per 100 km converter, type the number you want to convert in the box. Click the "Convert" button, and the conversion result will appear below. You can try different values as many times as you like. All the conversions you made will be displayed in the Conversion History section.
Use the tabs below to view conversions for US MPG and UK MPG to Liters per 100 km.
How to Convert MPG to Liters per 100 Kilometers?
To convert US mpg (miles per gallon) to liters per 100 kilometers (L/100 km), you need to understand that mpg shows how many miles a car can travel with one gallon, while L/100 km shows how many liters it uses to travel 100 kilometers. To convert, take the number 235.21 and divide it by the mpg value. This will give you the fuel consumption in liters per 100 kilometers. Higher mpg means lower L/100 km, because the car is more efficient.
For example, if a car has 25 US mpg, you take 235.21 and divide it by 25. This gives about 9.41 liters per 100 kilometers. So, the car uses roughly 9.41 liters of fuel to drive 100 km.
To convert UK mpg (miles per imperial gallon) to liters per 100 kilometers (L/100 km), it is similar to US mpg, but the UK gallon is bigger. You still want to see how many liters the car uses to travel 100 km. Take the number 282.48 and divide it by the UK mpg value. A higher UK mpg means the car is more fuel-efficient, so the L/100 km number will be lower.
For example, if a car has 30 UK mpg, you take 282.48 and divide it by 30. This gives about 9.42 liters per 100 kilometers. This means the car uses roughly 9.42 liters of fuel to drive 100 km.
UK MPG vs US MPG: Difference and Comparison
Miles per gallon (mpg) is used to measure fuel efficiency, but the size of a gallon is different in the US and the UK. A US gallon equals about 3.785 liters, while a UK gallon equals about 4.546 liters. Because of this difference, the same car will have a higher mpg value in the UK than in the US. This means UK mpg is usually about 20% higher than US mpg for the same fuel consumption. For example, if a car gets 25 US mpg, it will show around 30 UK mpg.
What is MPG?
Miles per gallon (mpg) is a unit that measures how far a vehicle can travel using one gallon of fuel. It is widely used in the United States (US mpg) and the United Kingdom (UK mpg), but the two are slightly different because the size of a gallon is not the same. US mpg uses the US gallon, which is smaller than the UK (imperial) gallon. The higher the mpg, the more fuel-efficient the vehicle is. People often compare mpg with liters per 100 kilometers (L/100 km), which is used in most other countries, to understand fuel efficiency in a way that is easier to relate to distance traveled per liters of fuel.
Historically, mpg has been used for decades in car advertisements and fuel economy guides. It became popular in the early 20th century when cars were mass-produced and drivers wanted to know how much fuel they would need for a trip. Compared with L/100 km, mpg shows efficiency in distance per fuel, while L/100 km shows fuel used per distance.
What is Liters per 100 Kilometers?
Liters per 100 kilometers (L/100 km) is a unit that measures how much fuel a vehicle uses to travel 100 kilometers. It is widely used in Europe, Canada, and many other countries. The lower the number, the more fuel-efficient the vehicle is. Unlike miles per gallon (mpg), which shows how far a car can go per gallon, L/100 km shows how many liters of fuel are needed for a fixed distance. This makes it easy to understand fuel consumption directly in terms of fuel used rather than distance traveled.
The history of L/100 km goes back to the 20th century as countries adopted the metric system for standard measurements. It became popular because it provides a clear idea of fuel consumption without needing to know the size of a gallon. When compared with mpg, L/100 km is the opposite: high mpg means low L/100 km, and low mpg means high L/100 km. Drivers often convert between the two to compare cars from regions that use different systems.