6-553: The quart (symbol: qt ) is a unit of volume equal to a quarter of a gallon . Three kinds of quarts are currently used: the liquid quart and dry quart of the US customary system and the imperial quart of the British imperial system . All are roughly equal to one liter . It is divided into two pints or (in the US) four cups . Historically, the exact size of the quart has varied with
12-415: Is also given. In Canadian French , by federal law, the imperial quart is called pinte . The Winchester quart is an archaic measure , roughly equal to 2 imperial quarts or 2.25 liters. The 2.5 L bottles in which laboratory chemicals are supplied are sometimes referred to as Winchester quart bottles , although they contain slightly more than a traditional Winchester quart. The reputed quart
18-530: Is exactly equal to 0.946 352 946 L . In the United States, the dry quart is equal to one quarter of a US dry gallon, or exactly 1.101 220 942 715 L . The imperial quart, which is used for both liquid and dry capacity, is equal to one quarter of an imperial gallon, or exactly 1.1365225 liters. In the United Kingdom goods may be sold by the quart if the equivalent metric measure
24-480: The corresponding quarts have also existed with various sizes. In the United States, traditional length and volume measures have been legally standardized for commerce by the international yard and pound agreement of 1959, using the definition of 1 yard being exactly equal to 0.9144 meters . From this definition is derived the metric equivalencies for inches, feet, and miles, area measures, and measures of volume. The US liquid quart equals 57.75 cubic inches , which
30-640: The different values of gallons over time and in reference to different commodities. The term comes from the Latin quartus (meaning one-quarter) via the French quart . However, although the French word quart has the same root, it frequently means something entirely different. In Canadian French in particular, the quart is called pinte , whilst the pint is called chopine . Since gallons of various sizes have historically been in use,
36-409: Was a measure equal to two-thirds of an imperial quart (or one-sixth of an imperial gallon), at about 0.7577 liters, which is very close to one US fifth (0.757 liters). The reputed quart was previously recognized as a standard size of wine bottle in the United Kingdom, and is only about 1% larger than the current standard wine bottle of 0.75 L. Unit of volume A unit of volume
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