Convert US fluid ounce to US gallon

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

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Example: US fluid ounce to US gallon

Starting value Increment Accuracy

To convert US fluid ounce to US gallon, divide by 128.

1 fl oz = 0.007813 gal

Example: 1 US fluid ounce = 0.007813 US gallon

'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

15 US gallon equals 1.92e+3 US fluid ounce.

Correct answer: 15 US gallon = 1.92e+3 US fluid ounce.

15.9 US gallon equals 4.07e+3 US fluid ounce.

Correct answer: 15.9 US gallon = 2.04e+3 US fluid ounce.

133 US fluid ounce equals 1.56 US gallon.

Correct answer: 133 US fluid ounce = 1.04 US gallon.

103 US gallon equals 7.91e+3 US fluid ounce.

Correct answer: 103 US gallon = 1.32e+4 US fluid ounce.