Convert imperial quarts to us quarts instantly.
Definition: An imperial quart is one quarter of an imperial gallon, equal to about 1.13652 liters.
History/origin: The imperial quart was formalized when the UK standardized the imperial system in the 19th century.
Current use: Imperial quarts are less common today but still appear in traditional British measurements and historical documentation.
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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