What is Fuel Economy Converter?

Convert between L/100 km, MPG (US) and km/L instantly.

How do I use Fuel Economy Converter?

Type or paste your data into the field on this page and press the button. The result is calculated instantly in your browser — nothing is uploaded.

Is Fuel Economy Converter free?

Yes, Fuel Economy Converter is completely free. No signup, no downloads and no usage limits.

Fuel Economy Converter

NewCalculation

Enter a fuel consumption value in litres per 100 km, miles per US gallon or kilometres per litre and see all three measures at once. Perfect when comparing cars from different regions or specs written in different units. Conversion happens locally in your browser.

Enter a consumption value and pick its unit.

Compare the three common fuel economy measures: litres per 100 km, miles per US gallon and km per litre.

What are the three units?

L/100 km is how many litres a car uses per hundred kilometres, the European standard. MPG is miles per US gallon, common in North America. km/L is the simplest: the distance one litre covers.

Why convert between them?

Car specs and reviews use different units depending on their region. Converting helps you compare fuel costs across markets and understand figures from foreign tests or manufacturers. The conversion factor is baked in, so results are instant and correct.

Frequently Asked Questions

What is Fuel Economy Converter?
Convert between L/100 km, MPG (US) and km/L instantly.
How do I use Fuel Economy Converter?
Type or paste your data into the field on this page and press the button. The result is calculated instantly in your browser — nothing is uploaded.
Is Fuel Economy Converter free?
Yes, Fuel Economy Converter is completely free. No signup, no downloads and no usage limits.