Enter a value in US fluid ounce (US fl oz) in the "From" field, and the equivalent value in Imperial gallon (imp gal) will be displayed in the "To" field automatically.

The conversion factor between US fluid ounce and Imperial gallon is calculated automatically based on their relationship to the base unit in the volume category.

Yes, you can convert between any units in the volume category. Use the dropdown menus to select different units.