Fluid Ounce (UK) to Gallon (US) Converter

Volume Converter

40 units available

Decimals:

From

To

0.007506

1 fl oz (UK) = 0.007506 gal

Formula:

gal = fl oz (UK) × 0.007505937

With your value: 1 fl oz (UK) = 0.00750594 gal

How big is that?

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

Milk carton (1/28 your value)0.0352 fl oz (UK)

Kitchen bucket (1/2.8 your value)0.352 fl oz (UK)

Your value1.00 fl oz (UK)

Car fuel tank (1.8× your value)1.76 fl oz (UK)

Bathtub (7.0× your value)7.04 fl oz (UK)

Hot tub (53× your value)52.8 fl oz (UK)

Other Fluid Ounce (UK) to Gallon (US) conversions

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

Fluid Ounce (UK) to Gallon (US) Conversion Table

Fluid Ounce (UK) (fl oz (UK))	Gallon (US) (gal)
0.5	0.003753
1	0.007506
2	0.015012
5	0.03753
10	0.075059
15	0.112589
20	0.150119
25	0.187648
50	0.375297
100	0.750594
250	1.876484
500	3.752969
1000	7.505937

Gallon (US) to Fluid Ounce (UK) Conversion Table

Gallon (US) (gal)	Fluid Ounce (UK) (fl oz (UK))
0.5	66.613935
1	133.22787
2	266.455739
5	666.139348
10	1,332.278695
15	1,998.418043
20	2,664.557391
25	3,330.696739
50	6,661.393477
100	13,322.786954
250	33,306.967385
500	66,613.93477
1000	133,227.869541

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.

Fluid Ounce (UK) (fl oz (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 (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

How to Convert Fluid Ounce (UK) to Gallon (US)

To convert from Fluid Ounce (UK) (fl oz (UK)) to Gallon (US) (gal), multiply the value by 0.007505937.

Formula: gal = fl oz (UK) × 0.007505937

Reverse: fl oz (UK) = gal × 133.2278695406

Step-by-Step Example

Start with your value in Fluid Ounce (UK). For example: 5 fl oz (UK)
Multiply by the conversion factor: 5 x 0.007505937
The result is: 0.03753 gal

About Fluid Ounce (UK)

The fluid ounce (uk) (fl oz (UK)) is a unit of volume and capacity. One fluid ounce (uk) equals 0.0284130625 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 (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.

Frequently Asked Questions

How many Gallon (US) are in 1 Fluid Ounce (UK)?

There are exactly 0.007505937 Gallon (US) in 1 Fluid Ounce (UK). This means the conversion factor from Fluid Ounce (UK) to Gallon (US) is 0.007505937.

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

The formula to convert Fluid Ounce (UK) to Gallon (US) is: gal = fl oz (UK) × 0.007505937. For example, to convert 10 Fluid Ounce (UK) to Gallon (US), you would multiply 10 by 0.007505937.

What is a Fluid Ounce (UK)?