Convert US fluid ounces to US gallons
Select how many decimal places the result will be rounded to:
How to convert US fluid ounces to US gallons
To convert US fluid ounces to US gallons, divide a US fluid ounces value by 128.
Formula US gal = US fl oz ÷ 128
Example: Convert 64 US fluid ounces to US gallons Calculations: 64 US fl oz ÷ 128 = 0.5 US gal
US fluid ounce (US fl oz)
The US fluid ounce is a US customary systems unit of volume, defined as 1/128 of a US gallon, and is equal to 0.0295735295625 liters.
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.
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