Kilometer/Liter to Kilometer/Gallon (UK) Converter

Fuel Economy Converter

11 units available

Decimals:

From

To

4.546092

1 km/L = 4.546092 km/gal (UK)

Formula:

km/gal (UK) = km/L × 4.5460918869

With your value: 1 km/L = 4.54609189 km/gal (UK)

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

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

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

Kilometer/Liter (km/L)	Kilometer/Gallon (UK) (km/gal (UK))
0.5	2.273046
1	4.546092
2	9.092184
5	22.730459
10	45.460919
15	68.191378
20	90.921838
25	113.652297
50	227.304594
100	454.609189
250	1,136.522972
500	2,273.045943
1000	4,546.091887

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

Kilometer/Gallon (UK) (km/gal (UK))	Kilometer/Liter (km/L)
0.5	0.109985
1	0.219969
2	0.439938
5	1.099846
10	2.199692
15	3.299537
20	4.399383
25	5.499229
50	10.998458
100	21.996916
250	54.992289
500	109.984579
1000	219.969157

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.

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

Kilometer/Gallon (UK) (km/gal (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

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

To convert from Kilometer/Liter (km/L) to Kilometer/Gallon (UK) (km/gal (UK)), multiply the value by 4.5460918869.

Formula: km/gal (UK) = km/L × 4.5460918869

Reverse: km/L = km/gal (UK) × 0.219969157

Step-by-Step Example

Start with your value in Kilometer/Liter. For example: 5 km/L
Multiply by the conversion factor: 5 x 4.5460918869
The result is: 22.730459 km/gal (UK)

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.

About Kilometer/Gallon (UK)

The kilometer/gallon (uk) (km/gal (UK)) is a unit of fuel economy. One kilometer/gallon (uk) equals 0.219969157 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.

Frequently Asked Questions

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

There are exactly 4.5460918869 Kilometer/Gallon (UK) in 1 Kilometer/Liter. This means the conversion factor from Kilometer/Liter to Kilometer/Gallon (UK) is 4.5460918869.

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

The formula to convert Kilometer/Liter to Kilometer/Gallon (UK) is: km/gal (UK) = km/L × 4.5460918869. For example, to convert 10 Kilometer/Liter to Kilometer/Gallon (UK), you would multiply 10 by 4.5460918869.

What is a Kilometer/Liter?