How many fluid ounces in a gallon?
1 Gallon (gal) is equal to 128 fluid ounces (oz). To convert gallons to fluid oz, multiply the gallon value by 128.
For example, to find out how many fluid oz in a gallon and a half, multiply 1.5 by 128, that makes 192 fluid oz in a gallon and a half.
1 Fluid Gallon = 128 Fluid Ounces
How many gallons in a fluid ounce?
1 Fluid ounce (oz) is equal to 0.0078125 gallon. To convert fluid ounces to gallons, multiply the fluid ounce value by 0.0078125 or divide by 128.
For example, to find out how many gallons is 32 fluid oz, divide 32 by 128, that makes 0.25 gallon in 32 fluid oz.
1 Fluid Ounce = 0.0078125 Fluid Gallon
You may also use this volume units conversion calculator to convert between US, imperial gallons and fluid ounces.
What is Gallon?
Gallon is an imperial and United States Customary measurement system volume unit. 1 US fluid gallon is equal to 128 US fluid ounces and 1 Imperial gallon is equal to 160 Imperial fluid ounces. The symbol is "gal".
- 1 US fluid gal = 128 US fluid oz
- 1 Imperial gal = 160 Imperial fluid oz
To convert between US and UK gallons, please check gallons conversion calculator tool.
What is Fluid Ounce?
Fluid ounce is an imperial and United States Customary measurement system volume unit. The symbol is "fl oz".
- 1 US fluid oz = 0.0078125 US fluid gal
- 1 Imperial fluid oz = 0.00625 Imperial gal
To convert between US and UK fluid ounces, please check fluid ounces conversion calculator tool.