Skip to content
Engyna

Convert miles per US gallon to liters per 100 km

Convert miles per US gallon (mpg) to liters per 100 km (L/100 km) with the formula L/100 km = 235.2146 ÷ mpg.

20 mpg = 11.7607 L/100 km

MPG to L/100km formula

L/100 km = 235.2146 ÷ mpg

Divide 235.2146 by the value in mpg. The two figures are inverse: the lower the liters per 100 km, the higher the distance per unit of fuel.

Example: To convert 20 mpg to liters per 100 km: 235.2146 ÷ 20 = 11.7607 L/100 km.

Quick answers

What is 20 mpg in liters per 100 km?
20 mpg = 11.7607 L/100 km
What is 25 mpg in liters per 100 km?
25 mpg = 9.40858 L/100 km
What is 30 mpg in liters per 100 km?
30 mpg = 7.84049 L/100 km
What is 40 mpg in liters per 100 km?
40 mpg = 5.88036 L/100 km

MPG to L/100km conversion table

L/100km to MPG table
miles per US gallon (mpg)liters per 100 km (L/100 km)
10 mpg23.5215 L/100 km
15 mpg15.681 L/100 km
18 mpg13.0675 L/100 km
20 mpg11.7607 L/100 km
22 mpg10.6916 L/100 km
25 mpg9.40858 L/100 km
28 mpg8.40052 L/100 km
30 mpg7.84049 L/100 km
32 mpg7.35046 L/100 km
35 mpg6.72042 L/100 km
40 mpg5.88036 L/100 km
45 mpg5.22699 L/100 km
50 mpg4.70429 L/100 km
60 mpg3.92024 L/100 km

Frequently asked questions

How do I convert miles per US gallon to liters per 100 km?

Divide 235.2146 by the value in mpg. The two figures are inverse: the lower the liters per 100 km, the higher the distance per unit of fuel. To convert 20 mpg to liters per 100 km: 235.2146 ÷ 20 = 11.7607 L/100 km.

Is the MPG to L/100km conversion exact?

Yes. The formula comes from exact definitions of the mile (1,609.344 m) and the US gallon (3.785411784 L); the constant is shown rounded.

Why are US and UK mpg different?

A US gallon is 3.785 L and an imperial gallon is 4.546 L. Because the UK gallon is about 20% larger, the same car gets about 20% more miles per gallon in UK figures.

What is 20 mpg in liters per 100 km?

20 mpg = 11.7607 L/100 km.

How do I convert liters per 100 km back to miles per US gallon?

Divide the same constant by the value: mpg = 235.2146 ÷ L/100 km. The L/100km to MPG page has a converter and a full table.

More fuel economy conversions

All unit conversions