Convert us gallons to us fluid ounces instantly.
Definition: A US gallon is a unit of volume equal to exactly 3.785411784 liters, or 4 US quarts.
History/origin: The US gallon descends from the older English wine gallon that the United States retained after independence, instead of adopting the later imperial gallon.
Current use: US gallons are used in the United States for gasoline, paint, industrial liquids, and larger beverage containers.
Definition: The US fluid ounce is a small liquid-volume unit. There are 128 US fl oz in one US gallon, and each fl oz is about 29.57 mL.
History/origin: Fluid ounces separated liquid volume from weight ounces, and the US version kept its relationship to the American gallon.
Current use: US fl oz appears on soda cans, water bottles, shampoo, lotion, medicine, nutrition facts, measuring cups, and American liquid recipes.
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