Convert imperial fluid ounces to us quarts instantly.
Definition: An imperial fluid ounce is one 160th of an imperial gallon, equal to about 28.4131 milliliters.
History/origin: It developed as the small-volume subdivision of the imperial gallon and remained distinct from the US fluid ounce.
Current use: Imperial fluid ounces appear mostly in legacy UK packaging, recipes, and older measurement references.
Definition: The US quart is a quarter-gallon measure in the US customary system. One qt is 32 US fl oz, or about 946 mL.
History/origin: Quart measures came from dividing gallons into easier household and trade portions, then stayed in US use after American and imperial gallons diverged.
Current use: US qt appears on milk and cream cartons, motor oil bottles, food storage containers, soup quantities, paint samples, and some American recipes.
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