This is very interesting Question indeed how many ounces in a gallon because it is all depends on which standard conversion you are using and looking. We have UK ( British Imperial standard ) and US ( United States customary Units)
For example in UK Imperial Standard 1 gallon is equal to 4.546 Liters of Fluid and but the same USA liquid Standard 1 gallon is equal to 3.785 Liters of fluid which is lesser in Quantity.
how many ounce in a gallon of a liquid or fluid?
Let us Take a deep Look into the USA Customary Breakdown on how many ounce in a gallon of a liquid or fluid.
One Gallon is equal to 4 Quarts
4 Quarts is equal to 8 pints
8 Pints is equal to 16 Cups
16 cups is equal to 128 Fluid Ounces
Below is the comparison Picture of Gallon and Ounce
So basically US Milli Liter per Ounce is Greater than the UK Milli Liter per ounce
1 USA Fluid Ounce = 29.5735 mL
1 UK Fluid Ounce = 28.4131 mL
One Gallon of USA Fluid is equal to 128 Ounces of USA Fluid
One Gallon of UK Fluid is equal to 160 Ounces of UK Fluid
Simple Quick Conversion Table to Ounces from Gallons
|Gallons (US)||Ounces (US)||Liters|
|Gallons (UK)||Ounces (UK)||Litres|
You can also check how many ounces in a pound : Here
There are More Discussion in public based on the Gallon and Ounce Check this Out:
Check out some Youtube on Gallon – Ounce Conversion