Cup (UK) to Gallon (UK) Converter

Volume Converter

40 units available

Decimals:

From

To

0.0625

1 cup (UK) = 0.0625 gal (UK)

Formula:

gal (UK) = cup (UK) × 0.0625

With your value: 1 cup (UK) = 0.0625 gal (UK)

How big is that?

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

Milk carton (1/2.8e+2 your value)0.00352 cup (UK)

Kitchen bucket (1/28 your value)0.0352 cup (UK)

Car fuel tank (1/5.7 your value)0.176 cup (UK)

Bathtub (1/1.4 your value)0.704 cup (UK)

Your value1.00 cup (UK)

Hot tub (5.3× your value)5.28 cup (UK)

Other Cup (UK) to Gallon (UK) conversions

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

Cup (UK) to Gallon (UK) Conversion Table

Cup (UK) (cup (UK))	Gallon (UK) (gal (UK))
0.5	0.03125
1	0.0625
2	0.125
5	0.3125
10	0.625
15	0.9375
20	1.25
25	1.5625
50	3.125
100	6.25
250	15.625
500	31.25
1000	62.5

Gallon (UK) to Cup (UK) Conversion Table

Gallon (UK) (gal (UK))	Cup (UK) (cup (UK))
0.5	8
1	16
2	32
5	80
10	160
15	240
20	320
25	400
50	800
100	1,600
250	4,000
500	8,000
1000	16,000

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.

Cup (UK) (cup (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

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

How to Convert Cup (UK) to Gallon (UK)

To convert from Cup (UK) (cup (UK)) to Gallon (UK) (gal (UK)), multiply the value by 0.0625.

Formula: gal (UK) = cup (UK) × 0.0625

Reverse: cup (UK) = gal (UK) × 16

Step-by-Step Example

Start with your value in Cup (UK). For example: 5 cup (UK)
Multiply by the conversion factor: 5 x 0.0625
The result is: 0.3125 gal (UK)

About Cup (UK)

The cup (uk) (cup (UK)) is a unit of volume and capacity. One cup (uk) equals 0.284130625 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.

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.

Frequently Asked Questions

How many Gallon (UK) are in 1 Cup (UK)?

There are exactly 0.0625 Gallon (UK) in 1 Cup (UK). This means the conversion factor from Cup (UK) to Gallon (UK) is 0.0625.

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

The formula to convert Cup (UK) to Gallon (UK) is: gal (UK) = cup (UK) × 0.0625. For example, to convert 10 Cup (UK) to Gallon (UK), you would multiply 10 by 0.0625.

What is a Cup (UK)?