Convert Imperial Gallons to OuncesHow many ounces are in an imperial gallon? Easy imp gal to fl oz conversion.
1 Imperial Gallon ≈
153.72159 U.S. Fluid Ounces
Imperial GallonsAn Imperial gallon is a unit of volume sometimes used in the British commonwealth. It is exactly 4.54609 liters and is about 20% larger than a U.S. gallon.
Abbreviation: imp gal
OuncesA U.S. fluid ounce is 1/128th of a U.S. gallon. It is not the same as an ounce of weight or an Imperial fluid ounce.
Common abbreviations: fl oz, oz fl