The converter and the tables are based on US fluid gallons and US fluid ounces.
How many ounces in a gallon?
1 US fluid gallon is equal to 128 US fluid ounces. To convert gallons to ounces, multiply the gallon value by 128.
For example, to convert 1/2 gallon to oz, multiply 128 by 0.5 (or divide 128 by 2), that makes 64 oz equal to 1/2 gallon.
gallons to ounces conversion formula:
ounce = gallon * 128
To convert between imperial gallons and fluid ounces, please visit imperial gallons to ounces converter.
How to convert ounces to gallons?
1 US fluid ounce is equal to 0.0078125 US fluid gallon. To convert ounces to gallons, multiply the ounce value by 0.0078125 or divide by 128.
For example, to convert 32 ounces to gallons, divide 32 by 128, that makes 1/4 gallon equal to 32 oz.
ounces to gallons conversion formula:
gallon = ounce * 0.0078125
gallon = ounce / 128
What is a Gallon?
Gallon is an imperial and United States Customary systems volume unit. 1 US gallon = 128 US fluid ounces. 1 Imperial gallon = 160 Imperial fluid ounces. The symbol is "gal".
Common conversions from gallons to fluid ounces (fl oz):
- 1/8 gal = 16 oz
- 1/4 gal = 32 oz
- 1/3 gal = 42.66 oz
- 1/2 gal = 64 oz
- 2 gal = 256 oz
To calculate how many water bottles of different sizes can fit in gallons and view the gallons to water bottles table, please visit how many water bottles are in gallons.
What is a Fluid Ounce?
Fluid ounce is an imperial and United States Customary measurement systems volume unit. 1 US fluid ounce = 0.0078125 US fluid gallon. 1 Imperial fluid ounce = 0.00625 Imperial gallon. The symbol is "fl oz".
Please visit all volume units conversion to convert all volume units.
