Fuel consumption converter

Compare fuel economy across measurement systems.

Find a converter

Fuel consumption converter

Instant conversion

Edit either value. Decimals and scientific notation supported.

From value

L/100 km

From unit

To value

mpg (US)

To unit

CONVERSION

1 L/100 km ≈ 235.2145833 mpg (US)

Display precision

Precision changes displayed rounding, not calculation accuracy.

FORMULAmpg (US) = 235.214583333333 ÷ L/100 km

UNDERSTAND THE UNITS

Converting fuel consumption

Fuel economy and consumption are reciprocal quantities: L/100 km = 100 ÷ km/L. US mpg uses the US liquid gallon; Imperial mpg uses the Imperial gallon.

How the calculation works

Fuel economy and consumption are reciprocal quantities: L/100 km = 100 ÷ km/L. US mpg uses the US liquid gallon; Imperial mpg uses the Imperial gallon.

Precision and rounding

Choose 6, 10 or 15 significant figures for the displayed result. Calculations use unrounded JavaScript numbers. The ≈ symbol indicates that displayed results may be rounded; significant figures are display precision, not measurement accuracy.

Quick reference

Fixed reference · Litres per 100 kilometres to Miles per US gallon

This table uses the default pair, independently of your selections above.

Litres per 100 kilometres (L/100 km)	Miles per US gallon (mpg (US))
1	235.2145833
5	47.04291667
10	23.52145833
25	9.408583333
50	4.704291667
100	2.352145833
1000	0.2352145833

Rounded to 10 significant figures.

PAIR DIRECTORY

All fuel consumption conversion pairs

From Litres per 100 kilometres (L/100 km)

From Kilometres per litre (km/L)

From Miles per US gallon (mpg (US))

From Miles per Imperial gallon (mpg (UK))

A UNIT FOR EVERYTHING

Explore all converters

18 categories. One place.

Fuel consumption converter