Volume · imp gal → fl oz
Imperial gallons to US fluid ounces
Enter any value below to convert imperial gallons to us fluid ounces instantly.
To
1 imp gal = 153.72159 fl oz
Conversion formula
How to convert imp gal to fl oz
fl oz = imp gal × 153.72159
Multiply the imperial gallons value by 153.72159 to get us fluid ounces. The converter keeps extra precision internally and rounds only the displayed answer.
Converting imperial gallons to us fluid ounces helps with cooking, fuel, containers, aquariums and liquid product specifications.
Worked example
Convert 10 imp gal10 imp gal = 1,537.215905 fl oz
Calculated with the published formula. No estimated exchange rates or hidden rounding.
Common imperial gallons to us fluid ounces values
| Imperial gallons (imp gal) | US fluid ounces (fl oz) |
|---|---|
| 1 imp gal | 153.72159 fl oz |
| 5 imp gal | 768.607952 fl oz |
| 10 imp gal | 1,537.215905 fl oz |
| 25 imp gal | 3,843.039762 fl oz |
| 50 imp gal | 7,686.079523 fl oz |
| 100 imp gal | 15,372.159046 fl oz |
Quick answer
How many us fluid ounces are in one imperial gallon?
One imperial gallon equals 153.72159 fl oz.