Miles/Gallon (UK) to Liter/100km Converter

Fuel Economy Converter

11 units available

Decimals:

From

To

282.481053

1 mpg (UK) = 282.481053 L/100km

Formula:

L/100km = mpg (UK) × 282.4810527811

With your value: 1 mpg (UK) = 282.48105278 L/100km

Other Miles/Gallon (UK) to Liter/100km conversions

2 mpg (UK) to L/100km 3 mpg (UK) to L/100km 4 mpg (UK) to L/100km 5 mpg (UK) to L/100km 6 mpg (UK) to L/100km 7 mpg (UK) to L/100km 8 mpg (UK) to L/100km

Miles/Gallon (UK) to Liter/100km Conversion Table

Miles/Gallon (UK) (mpg (UK))	Liter/100km (L/100km)
0.5	564.962106
1	282.481053
2	141.240526
5	56.496211
10	28.248105
15	18.83207
20	14.124053
25	11.299242
50	5.649621
100	2.824811
250	1.129924
500	0.564962
1000	0.282481

Liter/100km to Miles/Gallon (UK) Conversion Table

Liter/100km (L/100km)	Miles/Gallon (UK) (mpg (UK))
0.5	564.962106
1	282.481053
2	141.240526
5	56.496211
10	28.248105
15	18.83207
20	14.124053
25	11.299242
50	5.649621
100	2.824811
250	1.129924
500	0.564962
1000	0.282481

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

Liter/100km (L/100km)

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 Liter/100km

This conversion uses an offset formula, so it cannot be described by a single multiplication factor.

Formula: L/100km = mpg (UK) × 282.4810527811

Reverse: mpg (UK) = L/100km × 282.4810527811

Step-by-Step Example

Start with your value in Miles/Gallon (UK). For example: 5 mpg (UK)
Apply L/100km = mpg (UK) × 282.4810527811
The result is: 56.496211 L/100km

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 Liter/100km

The liter/100km (L/100km) is a unit of fuel economy. The liter/100km scale is offset from the kilometre per litre scale, so converting it requires both a factor and an offset rather than a single multiplier. 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 Liter/100km are in 1 Miles/Gallon (UK)?

There are exactly 282.4810527811 Liter/100km in 1 Miles/Gallon (UK).

What is the formula to convert Miles/Gallon (UK) to Liter/100km?

The formula to convert Miles/Gallon (UK) to Liter/100km is: L/100km = mpg (UK) × 282.4810527811. For example, to convert 10 Miles/Gallon (UK) to Liter/100km, you would apply the formula to 10.

What is a Miles/Gallon (UK)?