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The quart[1] is an imperial and US customary unit of volume equal to a quarter of a gallon. Since gallons of various sizes have historically been in use, quarts of various sizes have also existed. Three of these quarts remain in current use, all approximately equal to one liter.
Contents |
Definitions
- United States liquid quart
- The US liquid quart is defined as one quarter of a US liquid gallon.
- United States dry quart
- The US dry quart is defined as 1/32 of a US bushel.
- Imperial quart
- The imperial quart, used for both liquid or dry capacity, is defined as one quarter of an Imperial gallon.[5]
Winchester quart
A Winchester quart is an archaic measure,[8] roughly equal to 2 Imperial quarts or 2.25 litres. The 2.5 litre 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.
Maritimer English
In Maritimer English, a quart refers to a quantity of alcohol measuring approximately 750 mL, called a two-six (26 fluid ounces) in the rest of Canada. This is similar in size to the archaic British wine and spirits measure the "reputed quart", which is 2⁄3 imperial quart or ~757.7 ml[9]
Notes and references
- ^ 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.
- ^ One US liquid gallon is defined as 231 cubic inches.
- ^ a b This has been the exact conversion since the 1964 redefinition of the litre and the 1959 redefinition of the inch.
- ^ a b Guide for the Use of the International System of Units (SI)—US government publication
- ^ and is therefore 1/32 of a Imperial bushel
- ^ This has been the exact conversion since the redefinition of the Imperial gallon in 1985 (UK), c. 1964 (Canada).
- ^ UK Units of Measurement Regulations 1995
- ^ Trading Standards - Weights and Measures of the City of Winchester
- ^ Reputed quart at sizes.com
Wikipedia content modification information:
- This page was last modified on 24 August 2008, at 18:55.
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