Convert US gallon to imperial fluid ounce

Here you can quickly calculate how many imperial fluid ounce fit in one US gallon.

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Conversion from US gallon to imperial fluid ounce example

Starting value Increment Accuracy

To convert US gallon to imperial fluid ounce, multiply by 133.22787.

1 gal = 133.22787 fl oz (uk)

Example: 1 US gallon = 133.22787 Imperial fluid ounce

'Gallon' names two different measures: the US gallon is about 3.785 liters and the imperial gallon about 4.546 liters, a full 20% larger. US fuel figures and UK recipes therefore use different gallons. Always check the country before converting.
A fluid ounce measures volume, not weight. The US fl oz is about 29.57 ml and the imperial fl oz about 28.41 ml, and neither matches the weight ounce (28.35 g) except roughly for water. Measure liquids in milliliters to avoid the ambiguity.

Score: 0

74 US gallon equals 9.86e+3 imperial fluid ounce.

Correct answer: 74 US gallon = 9.86e+3 imperial fluid ounce.

67 imperial fluid ounce equals 0.503 US gallon.

Correct answer: 67 imperial fluid ounce = 0.503 US gallon.

1.4 imperial fluid ounce equals 0.021 US gallon.

Correct answer: 1.4 imperial fluid ounce = 0.0105 US gallon.

124 US gallon equals 1.65e+4 imperial fluid ounce.

Correct answer: 124 US gallon = 1.65e+4 imperial fluid ounce.