Fuel Consumption Converter

This online Fuel Consumption Converter helps you quickly and accurately convert between different fuel economy units such as liters per 100 kilometers (L/100 km), miles per gallon (mpg US, mpg UK), kilometers per liter (km/L), and more. It supports both metric and imperial units, handles extremely large or small values with high precision, and allows for custom rounding and number formatting.

With support for a wide range of units and customizable display options, it adapts perfectly to your workflow - on desktop or mobile - delivering fast and reliable results anytime you need them.

Fuel Consumption Conversion - Online Calculator

Volume per Distance

Liter per Meter [L/m]
Liter per 100 Kilometer [L/100 km]
Gallon (US) per Mile [gal/mi (US)]
Gallon (US) per 100 Mile [gal/100 mi]
Gallon (UK) per Mile [gal/mi (UK)]
Gallon (UK) per 100 Mile [gal/100 mi]

Meter per Container

Meter per Cubic Meter [m/m³]
Meter per Cubic Centimeter [m/cm³]
Meter per Cubic Yard [m/yd³]
Meter per Cubic Foot [m/ft³]
Meter per Cubic Inch [m/in³]
Meter per Quart (US) [m/qt (US)]
Meter per Quart (UK) [m/qt (UK)]
Meter per Pint (US) [m/pt (US)]
Meter per Pint (UK) [m/pt (UK)]
Meter per Cup (US) [m/cup (US)]
Meter per Cup (UK) [m/cup (UK)]
Meter per Fluid Ounce (US) [m/fl oz]
Meter per Fluid Ounce (UK) [m/fl oz]

US / Imperial

Mile per Gallon (US) [mi/gal (US)]
Mile per Gallon (UK) [mi/gal (UK)]
Mile (US) per Liter [mi/L]
Nautical Mile per Liter [nmi/L]
Nautical Mile per Gallon (US) [nmi/gal]
Kilometer per Gallon (US) [km/gal]
Meter per Gallon (US) [m/gal (US)]
Meter per Gallon (UK) [m/gal (UK)]

Metric / SI

Centimeter per Liter [cm/L]
Meter per Liter [m/L]
Decameter per Liter [dam/L]
Hectometer per Liter [hm/L]
Kilometer per Liter [km/L]
Megameter per Liter [Mm/L]
Rounding decimals
Decimal separator
Thousands separator
Keyboard
Input size
Share result link
Click to copy all results
 

Why this Fuel Consumption Converter is one of the top choices among online tools:

Instant Conversions – Enter a fuel consumption value and get results immediately, with no waiting.

High Precision – Provides accurate calculations, even for very large or very small values.

Custom Rounding – Choose the number of decimal places that fit your needs.

Number Formatting Options – Select decimal and thousands separators that match your locale.

Optimized for Mobile – Input values easily on any device using your preferred keyboard layout.

FAQs

What is fuel consumption?

Fuel consumption is the amount of fuel a vehicle needs to travel a certain distance. It shows how efficiently a car, truck, or motorcycle uses fuel. For example, in most countries you’ll see it measured in liters per 100 kilometers (L/100 km), while in the US it’s usually expressed as miles per gallon (mpg). Another common unit is kilometers per liter (km/L). In short, the lower the consumption number, the more fuel-efficient the vehicle is.

Why are there different fuel consumption units?

Different countries and regions use different systems. Metric units like L/100 km and km/L are standard in most of the world, while the US and UK commonly use mpg, with slightly different definitions.

How can I convert multiple fuel consumption units at once?

Simply enter a value, and this converter will instantly display results in all major units, including L/100 km, mpg (US & UK), and km/L.

What is the most commonly used fuel consumption unit worldwide?

Liters per 100 kilometers (L/100 km) is standard in most countries that use the metric system, while miles per gallon (mpg) is widely used in the US and UK.

How can I ensure high accuracy in fuel consumption conversions?

This converter uses precise conversion factors and lets you set the number of decimal places for exact results, making it suitable for both everyday use and technical calculations.

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