Convert MPG to Litres/100 km

We have converted 43 Miles per Gallon to 6.6 Litres per 100 kilometres.

43 MPG = 6.6 Litres/100km

Fuel Consumption Converter

Use this tool to convert car fuel consumption from Miles per Gallon (MPG) to Litres per 100 kms. Find out the fuel (petrol or diesel) consumption of a car if it is defined in units you do not use or understand.

MPG to Litres/100km Convertor

Why Convert Vehicle Fuel Consumption from MPG (Imperial) to Litres per 100 km?

In the realm of automotive efficiency, understanding fuel consumption metrics is crucial for both drivers and policymakers alike. One of the common metrics used to measure fuel efficiency is miles per gallon (MPG), particularly in regions where the Imperial system is prevalent. However, as the world gravitates towards more standardized units and environmental consciousness grows, there's an increasing need to convert MPG to a more universally understandable metric: litres per 100 kilometers (L/100 km). Let's delve into why this conversion is becoming more pertinent.

Global Standardization:

The move towards liters per 100 kilometers is largely driven by the quest for global standardization. While MPG (Imperial) is predominantly used in countries like the UK, Canada, and some Commonwealth nations, it's not universally understood. On the other hand, liters per 100 kilometers is widely adopted across Europe, Asia, and much of the rest of the world. Standardizing on L/100 km simplifies comparisons across different regions and facilitates international cooperation on environmental and efficiency standards.

Environmental Awareness:

With increasing concerns about climate change and carbon footprints, individuals and governments are placing more emphasis on environmental sustainability. Liters per 100 kilometers provides a clearer picture of the environmental impact of driving by directly indicating how much fuel a vehicle consumes over a specific distance. This metric aligns better with efforts to reduce greenhouse gas emissions and encourages the adoption of more fuel-efficient vehicles.

Consumer Empowerment:

For consumers, understanding fuel efficiency in liters per 100 kilometers offers tangible benefits. Unlike MPG, where higher numbers are better, with L/100 km, lower values indicate better fuel efficiency. This shift in perspective can empower consumers to make more informed decisions when purchasing vehicles, encouraging them to choose models with lower fuel consumption and ultimately save money on fuel costs over the long term.

Practicality and Accuracy:

From a practical standpoint, liters per 100 kilometers often provides a more accurate representation of fuel consumption. It's a direct measure of the amount of fuel consumed per unit distance traveled, making it easier to calculate and compare across different vehicles and driving conditions. This accuracy is particularly valuable for fleet managers, policymakers, and researchers who need precise data for planning and analysis.

Adaptation to Changing Technologies:

As automotive technology evolves, with the rise of electric vehicles (EVs) and hybrid cars, the relevance of traditional fuel consumption metrics like MPG may diminish. Liters per 100 kilometers accommodates these changes more seamlessly, as it can be applied to a broader range of propulsion systems, including electric and hybrid vehicles. Converting to L/100 km ensures that fuel efficiency remains a relevant and meaningful metric in the era of electric mobility.


Converting vehicle fuel consumption from MPG (Imperial) to liters per 100 kilometers is not just a matter of unit conversion; it's a reflection of broader trends towards global standardization, environmental awareness, consumer empowerment, practicality, and adaptation to evolving technologies. By embracing liters per 100 kilometers as a standard metric, we can foster greater transparency, efficiency, and sustainability in the automotive industry, ultimately driving us towards a greener and more fuel-efficient future.