Also known as: qt.
QT has various meanings in the Measurement category. Discover the full forms, definitions, and usage contexts of QT in Measurement.
The quart is a unit of volume equal to a quarter of a gallon, two pints, or four cups. Since gallons of various sizes have historically been in use, quarts of various sizes have also existed; see gallon for further discussion. Three of these kinds of quarts remain in current use, all approximately equal to one litre. Its usual abbreviation is qt.
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