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Convert miles per imperial gallon to kilometers per liter

Convert miles per imperial gallon (mpg UK) to kilometers per liter (km/L). 1 mpg UK = 0.354006 km/L, and 1 km/L = 2.82481 mpg UK.

30 mpg UK = 10.6202 km/L

UK MPG to KM/L formula

km/L = mpg UK × 0.3540061899

Multiply the number of miles per imperial gallon by 0.3540061899.

Example: To convert 30 mpg UK to kilometers per liter: 30 × 0.3540061899 = 10.6202 km/L.

Quick answers

What is 30 mpg UK in kilometers per liter?
30 mpg UK = 10.6202 km/L
What is 40 mpg UK in kilometers per liter?
40 mpg UK = 14.1602 km/L
What is 50 mpg UK in kilometers per liter?
50 mpg UK = 17.7003 km/L

UK MPG to KM/L conversion table

KM/L to UK MPG table
miles per imperial gallon (mpg UK)kilometers per liter (km/L)
20 mpg UK7.08012 km/L
25 mpg UK8.85015 km/L
30 mpg UK10.6202 km/L
35 mpg UK12.3902 km/L
40 mpg UK14.1602 km/L
45 mpg UK15.9303 km/L
50 mpg UK17.7003 km/L
55 mpg UK19.4703 km/L
60 mpg UK21.2404 km/L
65 mpg UK23.0104 km/L
70 mpg UK24.7804 km/L

Frequently asked questions

How do I convert miles per imperial gallon to kilometers per liter?

Multiply the number of miles per imperial gallon by 0.3540061899. To convert 30 mpg UK to kilometers per liter: 30 × 0.3540061899 = 10.6202 km/L.

Is the UK MPG to KM/L conversion exact?

Yes. Both units are defined exactly, so 1 mile per imperial gallon is exactly 0.354006189935 kilometers per liter. Results on this page are rounded to six significant digits; pick more decimals in the converter if you need them.

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 kilometers per liter?

30 mpg UK = 10.6202 km/L.

How do I convert kilometers per liter back to miles per imperial gallon?

Use the reverse relationship: 1 km/L = 2.82481 mpg UK. The KM/L to UK MPG page has a converter and a full table.

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