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Fuel Consumption Converter

Free Fuel Consumption Converter — Convert L/100km, MPG, KM/L & Gallons Per 100 Miles

Convert fuel consumption between any units instantly with OmniConverter's free fuel consumption converter. 10 L/100km equals 23.5 MPG (US), and 30 MPG (US) equals 7.84 L/100km. Supports liters per 100 km (L/100km), miles per US gallon (MPG), miles per UK gallon, kilometers per liter (km/L), and gallons per 100 miles. Whether you're comparing vehicle efficiency or calculating fuel costs for a road trip, our converter delivers precise, instant results.

How It Works

Convert in three simple steps.

1

Enter Your Fuel Economy Value

2

Select Source and Target Units

3

Get Your Converted Fuel Economy

Popular Conversions

Common Benchmarks

Reference

1 L/100kmL/100km

1 L/100km

Reference

1 L/100kmMPG (US)

235.214583 MPG (US)

Reference

1 L/100kmMPG (UK)

282.480936 MPG (UK)

Reference

1 L/100kmkm/L

100 km/L

Reference

1 L/100kmm/L

100000 m/L

Reference

1 L/100kmgal (US)/100mi

0.425143708 gal (US)/100mi

Reference

1 L/100kmgal (UK)/100mi

0.3540062355 gal (UK)/100mi

Reference

1 L/100kmkm/gal (US)

378.5411784 km/gal (US)

Real-World Use Cases

Fuel consumption conversion is essential for comparing vehicle efficiency across countries (European L/100km vs US MPG), calculating fuel costs for road trips when renting cars abroad, evaluating the fuel economy of a potential car purchase from a manufacturer that uses a different measurement system, understanding fuel consumption figures in automotive reviews and magazines, and converting specifications when importing or exporting vehicles between markets that use different units.

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Frequently asked questions

Quick answers to common conversion questions

How do I convert L/100km to MPG?+

Divide 235.21 by your L/100km value to get US MPG. For example, 8 L/100km = 29.4 MPG.

What is the difference between US MPG and UK MPG?+

A US gallon (3.785 L) is smaller than a UK gallon (4.546 L), so UK MPG numbers are higher for the same vehicle.

How do I convert MPG to L/100km?+

Divide 235.21 by your MPG value to get L/100km. For example, 30 MPG = 7.84 L/100km.

What is km/L and how does it relate to L/100km?+

km/L measures how many kilometers you can travel per liter. Divide 100 by km/L to get L/100km.

Why do different countries use different fuel consumption units?+

L/100km is used throughout Europe and Canada, MPG in the US and UK, and km/L in parts of Asia and Africa.

Is higher or lower L/100km better?+

Lower L/100km is better — it means the vehicle uses less fuel to travel the same distance.

Is higher or lower MPG better?+

Higher MPG is better — it means the vehicle travels further on the same amount of fuel.

What is the average fuel consumption for a car?+

The average modern car consumes about 6-8 L/100km (30-40 MPG), depending on size and engine.

Can I convert fuel consumption for electric vehicles?+

EV efficiency is usually measured in kWh/100km rather than fuel consumption, as EVs don't consume liquid fuel.

How accurate are the fuel consumption conversions?+

Conversions use exact mathematical formulas based on the US gallon (3.785411784 L) and UK gallon (4.54609 L).

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