How to convert UK gallons to UK fluid ounces?
There are 160 fluid ounces in an UK gallon. To convert UK gallons to fluid ounces, multiply the gallon value by 160.
For example, to convert 1.5 UK gallons to fl oz, multiply 1.5 by 160, that makes 1.5 UK gallon is 240 fl oz.
1 UK Gallon = 160 UK Fluid Ounces
You may also use volume units conversion to convert all volume units.