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Convert US fluid ounce to imperial gallon

Here you can quickly calculate how many imperial gallon fit in one US fluid ounce.
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  • 1 fl oz = 0.006505 gal (uk)
  • 1 gal (uk) = 153.72159 fl oz

Example: US fluid ounce to imperial gallon

  • 1 US fluid ounce = 0.006505 Imperial gallon

US fluid ounce to imperial gallon conversion table

US fluid ounce Imperial gallon
1 0.006505
2 0.013011
5 0.032526
10 0.065053
20 0.130105
50 0.325263
100 0.650527

US fluid ounce to imperial gallon formula

To convert US fluid ounce to imperial gallon, multiply by 0.006505.

1 fl oz = 0.006505 gal (uk)
Example: 1 US fluid ounce = 0.006505 Imperial gallon

Common volume conversion mistakes

  • '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.

Quick US fluid ounce and imperial gallon conversion quiz

Score: 0

19.7 US fluid ounce equals 0.0769 imperial gallon.

Correct answer: 19.7 US fluid ounce = 0.128 imperial gallon.

5.8 US fluid ounce equals 0.0189 imperial gallon.

Correct answer: 5.8 US fluid ounce = 0.0377 imperial gallon.

66 US fluid ounce equals 0.859 imperial gallon.

Correct answer: 66 US fluid ounce = 0.429 imperial gallon.

More volume conversions