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Convert miles per imperial gallon to liters per 100 km

Convert miles per imperial gallon (mpg UK) to liters per 100 km (L/100 km) with the formula L/100 km = 282.4809 ÷ mpg UK.

30 mpg UK = 9.41603 L/100 km

UK MPG to L/100km formula

L/100 km = 282.4809 ÷ mpg UK

Divide 282.4809 by the value in mpg UK. The two figures are inverse: the lower the liters per 100 km, the higher the distance per unit of fuel.

Example: To convert 30 mpg UK to liters per 100 km: 282.4809 ÷ 30 = 9.41603 L/100 km.

Quick answers

What is 30 mpg UK in liters per 100 km?
30 mpg UK = 9.41603 L/100 km
What is 40 mpg UK in liters per 100 km?
40 mpg UK = 7.06202 L/100 km
What is 50 mpg UK in liters per 100 km?
50 mpg UK = 5.64962 L/100 km

UK MPG to L/100km conversion table

L/100km to UK MPG table
miles per imperial gallon (mpg UK)liters per 100 km (L/100 km)
20 mpg UK14.124 L/100 km
25 mpg UK11.2992 L/100 km
30 mpg UK9.41603 L/100 km
35 mpg UK8.07088 L/100 km
40 mpg UK7.06202 L/100 km
45 mpg UK6.27735 L/100 km
50 mpg UK5.64962 L/100 km
55 mpg UK5.13602 L/100 km
60 mpg UK4.70802 L/100 km
65 mpg UK4.34586 L/100 km
70 mpg UK4.03544 L/100 km

Frequently asked questions

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

Divide 282.4809 by the value in mpg UK. The two figures are inverse: the lower the liters per 100 km, the higher the distance per unit of fuel. To convert 30 mpg UK to liters per 100 km: 282.4809 ÷ 30 = 9.41603 L/100 km.

Is the UK MPG to L/100km conversion exact?

Yes. The formula comes from exact definitions of the mile (1,609.344 m) and the imperial gallon (4.54609 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 30 mpg UK in liters per 100 km?

30 mpg UK = 9.41603 L/100 km.

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

Divide the same constant by the value: mpg UK = 282.4809 ÷ L/100 km. The L/100km to UK MPG page has a converter and a full table.

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