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Convert imperial gallon to US fluid ounce

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

Conversion from imperial gallon to US fluid ounce example

  • 1 Imperial gallon = 153.72159 US fluid ounce

Imperial gallon to US fluid ounce conversion table

Imperial gallon US fluid ounce
1 153.72159
2 307.443181
5 768.607952
10 1537.215905
20 3074.431809
50 7686.079523
100 15372.159046

Formula to convert imperial gallon to US fluid ounce

To convert imperial gallon to US fluid ounce, multiply by 153.72159.

1 gal (uk) = 153.72159 fl oz
Example: 1 Imperial gallon = 153.72159 US fluid ounce

Common mistakes in volume conversion

  • '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 imperial gallon to/from US fluid ounce conversion quiz

Score: 0

6.9 imperial gallon equals 1.06e+3 US fluid ounce.

Correct answer: 6.9 imperial gallon = 1.06e+3 US fluid ounce.

9.7 imperial gallon equals 895 US fluid ounce.

Correct answer: 9.7 imperial gallon = 1.49e+3 US fluid ounce.

22 imperial gallon equals 3.38e+3 US fluid ounce.

Correct answer: 22 imperial gallon = 3.38e+3 US fluid ounce.

More conversions in volume