Sixty-four fluid ounces is equivalent to half a gallon. One fluid ounce is equivalent to 1/128 of a gallon, or .0078125 gallons; therefore, 128 ounces equals exactly one gallon.
Continue ReadingFor centuries, the fluid ounce did not have a consistent measurement and varied depending on the type of fluid being measured. For example, an ounce of wine was different in volume than an ounce of water. In the early 19th century, the British Parliament defined the imperial fluid ounce as 10 avoirdupois pounds of water, a French unit of liquid measurement.
The U.S. adopted the liquid volume that measures the wine gallon from the French as the standard U.S. liquid gallon. The U.S. liquid gallon is legally defined as 231 cubic inches, weighing about 8.34 pounds, and is exactly fluid 128 ounces.
Learn more about MeasurementsThere are 64 fluid ounces in a half gallon. Both measurements are units of volume in the imperial system, widely used in the United States for cooking and other tasks.
Full Answer >There are 128 fluid ounces in 1 gallon. It’s important to know the different liquid measurement conversion factors that relate ounces, quarts, cups and gallons.
Full Answer >Some common units used for water measurements are ounce, fluid ounce, cup, pint and gallon. Other measurements are liter and milliliter. Fluid ounce and ounce are different because fluid ounce measures volume while ounce measures mass, but volume and mass are the same in the case of water.
Full Answer >There are 31 pitchers of beer in a half-barrel, assuming one pitcher is 64 ounces, and one barrel is 31 gallons. One gallon is 128 ounces, so a half-barrel is 1,984 ounces of beer. There are 62 small pitchers in one half-barrel of beer if a small pitcher is 32 ounces; a half-barrel is equivalent to 165 bottles of beer at 12 ounces each.
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