Gallon (US) to Gill (UK) Converter

Volume Converter

40 units available

Decimals:

From

To

26.645574

1 gal = 26.645574 gi (UK)

Formula:

gi (UK) = gal × 26.6455739081

With your value: 1 gal = 26.64557391 gi (UK)

How big is that?

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

Milk carton (1/3.8e+3 your value)0.000264 gal

Kitchen bucket (1/3.8e+2 your value)0.00264 gal

Car fuel tank (1/76 your value)0.0132 gal

Bathtub (1/19 your value)0.0528 gal

Hot tub (1/2.5 your value)0.396 gal

Your value1.00 gal

Other Gallon (US) to Gill (UK) conversions

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

Gallon (US) to Gill (UK) Conversion Table

Gallon (US) (gal)	Gill (UK) (gi (UK))
0.5	13.322787
1	26.645574
2	53.291148
5	133.22787
10	266.455739
15	399.683609
20	532.911478
25	666.139348
50	1,332.278695
100	2,664.557391
250	6,661.393477
500	13,322.786954
1000	26,645.573908

Gill (UK) to Gallon (US) Conversion Table

Gill (UK) (gi (UK))	Gallon (US) (gal)
0.5	0.018765
1	0.03753
2	0.075059
5	0.187648
10	0.375297
15	0.562945
20	0.750594
25	0.938242
50	1.876484
100	3.752969
250	9.382421
500	18.764843
1000	37.529685

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 (US) (gal)

Volume

Exact conversion

The US liquid gallon is exactly 231 cubic inches = 3.785 411 784 L.

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

Gill (UK) (gi (UK))

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 (US) to Gill (UK)

To convert from Gallon (US) (gal) to Gill (UK) (gi (UK)), multiply the value by 26.6455739081.

Formula: gi (UK) = gal × 26.6455739081

Reverse: gal = gi (UK) × 0.0375296852

Step-by-Step Example

Start with your value in Gallon (US). For example: 5 gal
Multiply by the conversion factor: 5 x 26.6455739081
The result is: 133.22787 gi (UK)

About Gallon (US)

The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.

Fun Fact: The US gallon is about 20% smaller than the imperial (UK) gallon.

Common uses: fuel (US), beverages, swimming pools.

About Gill (UK)

The gill (uk) (gi (UK)) is a unit of volume and capacity. One gill (uk) equals 0.1420653125 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 Gill (UK) are in 1 Gallon (US)?

There are exactly 26.6455739081 Gill (UK) in 1 Gallon (US). This means the conversion factor from Gallon (US) to Gill (UK) is 26.6455739081.

What is the formula to convert Gallon (US) to Gill (UK)?

The formula to convert Gallon (US) to Gill (UK) is: gi (UK) = gal × 26.6455739081. For example, to convert 10 Gallon (US) to Gill (UK), you would multiply 10 by 26.6455739081.

What is a Gallon (US)?