Miles/Gallon (UK) to Kilometer/Liter Converter

Fuel Economy Converter

11 units available

Decimals:

From

To

0.354006

1 mpg (UK) = 0.354006 km/L

Formula:

km/L = mpg (UK) × 0.354006044

With your value: 1 mpg (UK) = 0.35400604 km/L

Other Miles/Gallon (UK) to Kilometer/Liter conversions

2 mpg (UK) to km/L 3 mpg (UK) to km/L 4 mpg (UK) to km/L 5 mpg (UK) to km/L 6 mpg (UK) to km/L 7 mpg (UK) to km/L 8 mpg (UK) to km/L

Miles/Gallon (UK) to Kilometer/Liter Conversion Table

Miles/Gallon (UK) (mpg (UK))	Kilometer/Liter (km/L)
0.5	0.177003
1	0.354006
2	0.708012
5	1.77003
10	3.54006
15	5.310091
20	7.080121
25	8.850151
50	17.700302
100	35.400604
250	88.501511
500	177.003022
1000	354.006044

Kilometer/Liter to Miles/Gallon (UK) Conversion Table

Kilometer/Liter (km/L)	Miles/Gallon (UK) (mpg (UK))
0.5	1.412405
1	2.824811
2	5.649621
5	14.124053
10	28.248105
15	42.372158
20	56.496211
25	70.620263
50	141.240526
100	282.481053
250	706.202632
500	1,412.405264
1000	2,824.810528

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Miles/Gallon (UK) (mpg (UK))

Fuel Economy

Exact conversion

Composite of a defined volume and a defined length. US and imperial gallons differ, so mpg figures are not interchangeable between them.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Kilometer/Liter (km/L)

Fuel Economy

Exact conversion

Composite of a defined volume and a defined length. US and imperial gallons differ, so mpg figures are not interchangeable between them.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Miles/Gallon (UK) to Kilometer/Liter

To convert from Miles/Gallon (UK) (mpg (UK)) to Kilometer/Liter (km/L), multiply the value by 0.354006044.

Formula: km/L = mpg (UK) × 0.354006044

Reverse: mpg (UK) = km/L × 2.8248105278

Step-by-Step Example

Start with your value in Miles/Gallon (UK). For example: 5 mpg (UK)
Multiply by the conversion factor: 5 x 0.354006044
The result is: 1.77003 km/L

About Miles/Gallon (UK)

The miles/gallon (uk) (mpg (UK)) is a unit of fuel economy. One miles/gallon (uk) equals 0.354006044 kilometre per litres. UnitConvertLab converts it against every other fuel economy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: fuel economy calculations, engineering and science, education.

About Kilometer/Liter

Kilometers per liter (km/L) measures how many kilometers a vehicle can travel on one liter of fuel.

Common uses: fuel efficiency, vehicle specs, travel planning.

Frequently Asked Questions

How many Kilometer/Liter are in 1 Miles/Gallon (UK)?

There are exactly 0.354006044 Kilometer/Liter in 1 Miles/Gallon (UK). This means the conversion factor from Miles/Gallon (UK) to Kilometer/Liter is 0.354006044.

What is the formula to convert Miles/Gallon (UK) to Kilometer/Liter?

The formula to convert Miles/Gallon (UK) to Kilometer/Liter is: km/L = mpg (UK) × 0.354006044. For example, to convert 10 Miles/Gallon (UK) to Kilometer/Liter, you would multiply 10 by 0.354006044.

What is a Miles/Gallon (UK)?