Convert US gallons to imperial fluid ounces
US gal
1 US gallon ≈
133.228 imperial fluid ounces
* rounded result
Select how many decimal places the result will be rounded to:
How to convert US gallons to imperial fluid ounces
To convert US gallons to imperial fluid ounces, multiply a US gallons value by 133.22786954.
Formula imp fl oz = US gal × 133.22786954
Example: Convert 2 US gallons to imperial fluid ounces Calculations: 2 US gal × 133.22786954 ≈ 266.456 imp fl oz
US gallon (US gal)
The US gallon is a US customary systems unit of volume, defined as 231 cubic inches or 128 US fluid ounces, and is equal to 3.785411784 liters. It is the standard unit for measuring volume in the United States.
Imperial fluid ounce (imp fl oz)
The imperial fluid ounce is an imperial system unit of volume, defined as 1/160 of an imperial gallon, and is equal to 0.0284130625 liters.