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

The conversion factor between US gallon and Imperial fluid ounce 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.