How many fluid ounces equals one gallon?
128 U.S. ounces are in one U.S. gallon.
153.7 U.S. oz. in one U.K. gallon
160 oz.(U.K.) = one U.K. gallon
133.2 oz (U.K.) = one U.S. gallon
US Gallon = 3.785 liters
UK Gallon = 4.546 liters
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