CALCULATOR
US Gallons to US Fluid Ounces Converter
Convert us gallons to us fluid ounces. Enter a value to update the result.
How the calculation works
US Fluid Ounces = US Gallons × 128.
Worked example
With us gallons 1 US gal, us fluid ounces is 128 US fl oz.
Assumptions and limits
US liquid gallons and US fluid ounces are used; Imperial measures are different.