swap units ↺
1 Ounce =
Display Result As
A U.S. fluid once is 1/128th of a U.S. gallon. It is not the same as an ounce of weight or an Imperial fluid ounce.
A U.S. gallon is equal to 128 U.S. fluid ounces, or about 3.785 liters. It should not be confused with the imperial gallon used in the United Kingdom.