Gallon (UK) to Kiloliter Converter

Volume Converter

40 units available

Decimals:

From

To

0.004546

1 gal (UK) = 0.004546 kL

Formula:

kL = gal (UK) × 0.00454609

With your value: 1 gal (UK) = 0.00454609 kL

How big is that?

Everyday references on a logarithmic scale, all expressed in gallon (uk) so you can sanity-check the result.

Milk carton (1/4.5e+3 your value)0.000220 gal (UK)

Kitchen bucket (1/4.5e+2 your value)0.00220 gal (UK)

Car fuel tank (1/91 your value)0.0110 gal (UK)

Bathtub (1/23 your value)0.0440 gal (UK)

Hot tub (1/3.0 your value)0.330 gal (UK)

Your value1.00 gal (UK)

Other Gallon (UK) to Kiloliter conversions

2 gal (UK) to kL 3 gal (UK) to kL 4 gal (UK) to kL 5 gal (UK) to kL 6 gal (UK) to kL 7 gal (UK) to kL 8 gal (UK) to kL

Gallon (UK) to Kiloliter Conversion Table

Gallon (UK) (gal (UK))	Kiloliter (kL)
0.5	0.002273
1	0.004546
2	0.009092
5	0.02273
10	0.045461
15	0.068191
20	0.090922
25	0.113652
50	0.227305
100	0.454609
250	1.136523
500	2.273045
1000	4.54609

Kiloliter to Gallon (UK) Conversion Table

Kiloliter (kL)	Gallon (UK) (gal (UK))
0.5	109.984624
1	219.969248
2	439.938497
5	1,099.846241
10	2,199.692483
15	3,299.538724
20	4,399.384966
25	5,499.231207
50	10,998.462415
100	21,996.92483
250	54,992.312075
500	109,984.62415
1000	219,969.248299

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.

Gallon (UK) (gal (UK))

Volume

Exact conversion

The imperial gallon is exactly 4.546 09 L (Weights and Measures Act 1985).

Source: NIST Handbook 44, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

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

Kiloliter (kL)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

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 Gallon (UK) to Kiloliter

To convert from Gallon (UK) (gal (UK)) to Kiloliter (kL), multiply the value by 0.00454609.

Formula: kL = gal (UK) × 0.00454609

Reverse: gal (UK) = kL × 219.9692482991

Step-by-Step Example

Start with your value in Gallon (UK). For example: 5 gal (UK)
Multiply by the conversion factor: 5 x 0.00454609
The result is: 0.02273 kL

About Gallon (UK)

The imperial gallon equals exactly 4.54609 litres, about 20% larger than the US gallon — a frequent source of fuel-economy confusion.

Common uses: UK fuel figures, brewing, older recipes.

About Kiloliter

The kiloliter (kL) is a unit of volume and capacity. One kiloliter equals 1000 litres. UnitConvertLab converts it against every other volume unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: volume calculations, engineering and science, education.

Frequently Asked Questions

How many Kiloliter are in 1 Gallon (UK)?

There are exactly 0.00454609 Kiloliter in 1 Gallon (UK). This means the conversion factor from Gallon (UK) to Kiloliter is 0.00454609.

What is the formula to convert Gallon (UK) to Kiloliter?

The formula to convert Gallon (UK) to Kiloliter is: kL = gal (UK) × 0.00454609. For example, to convert 10 Gallon (UK) to Kiloliter, you would multiply 10 by 0.00454609.

What is a Gallon (UK)?