Pint
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The pint is an English unit of volume or capacity in the imperial system and United States customary units of very roughly half a litre.
As with other measurement units used in the imperial system and USA, the pint used to be a common measure throughout Europe (differing in exact value from country to country) but was replaced in most of Europe with the metric system during the nineteenth century.
Definitions
- Imperial pint
- The imperial pint is equal one eighth of an imperial gallon.[1] It is used in the United Kingdom and other Commonwealth countries, though mostly replaced by metric units.
1 imperial pint = 1/8 imperial gallons = 1/2 imperial quarts = 4 imperial gills = 20 imperial fluid ounces = 568.26125 millilitres (exactly)[1][1] ≈ 568 ml ≈ 34.677429099 cubic inches ≈ 1.2009499255 U.S. wet pints ≈ 1.0320567435 U.S. dry pints
- United States wet pint
- The United States wet pint is equal one eighth of a United States wet gallon.[1] It is used commonly in the United States.
- United States dry pint
- The United States dry pint is equal one eighth of a United States dry gallon. It is used in the United States but is not as common as the wet pint.
1 U.S. dry pint = 1/8 U.S. dry gallons = 1/2 U.S. dry quarts = 33.6003125 cubic inches (exactly) = 550.6104713575 millilitres (exactly)[1] ≈ 551 ml ≈ 0.96893897192 imperial pints ≈ 1.1636471861 U.S. wet pints
- Metric pint
- One metric pint (used informally) is equal to 500 ml.
- Scottish pint
- There was a now-obsolete unit of measurement in Scotland known as the Scottish pint or joug and equal to three imperial pints. It remained in use until the 19th century, and survived significantly longer than most of the old Scottish measurements.
History
The pint is defined as one eighth of a gallon. Other versions of the gallon were defined for different commodities, and there were equally many versions of the pint.
America adopted the British wine gallon (defined in 1707 as 231 cubic inches) as its basic liquid measure, from which the U.S. wet pint is derived, and the British corn gallon (1⁄8 of a standard “Winchester” bushel of corn, or 268.8 cubic inches) as its dry measure, from which the US dry pint is derived.
In 1824 the British parliament replaced all its variant gallons with a new imperial gallon based on ten pounds of distilled water at 62 °F (277.42 cubic inches), from which the UK pint is derived.
Effects of metrication
As part of the metrication process, the pint in the UK and in Kenya is now used only as a measure for beer and cider when sold by the glass (see pint glass) – in public houses for instance – and for milk, although milk is also sold in metric quantities. Many recipes published in the UK still provide ingredient quantities in imperial, where the pint is often used as a unit for larger liquid quantities. Most new recipes are now published in metric only with the pint being rounded to 500 or 600 ml.
Ireland has completed its metrication process and the pint is only used for serving beer and cider.
In Australia and New Zealand, a subtle change was made in 1-pint milk bottles during the conversion from Imperial to metric in the 1970s. The height and diameter of the milk bottle remained unchanged, so that existing equipment for handling and storing such bottles was unaffected, but the shape was subtly adjusted to increase the capacity from 568 ml to 600 ml - a nice, round, metric measure. Such milk bottles are no longer officially referred to as pints. The pint glass in pubs in Australia (which is so called) remains closer to the standard Imperial pint, at 570 ml. A pint of beer in Australia or New Zealand is 570 ml, except in South Australia where a pint is 425 ml and 570 ml is called an imperial pint.
A 375 ml bottle of liquor in the US and the Canadian maritime provinces is sometimes referred to as a “pint”, hearkening back to the days when liquor came in actual US pints, quarts, and half-gallons.
In some regions of France, a standard 250 ml measure of beer is known as "a half", originally meaning a half pint.
Etymology
pint The French word pinte having the same roots is a false friend. In French Canada in particular, the pint is actually the chopine whilst the quart is the pinte. In France it's sometimes used to describe a 500 ml glass of beer. In Flanders, the word pint only refers to a 250 ml glass of lager. Some West- and East-Flemish dialects use it as a word for beaker.
References
External links
- European Commission press release (IP/07/1297, 11 September 2007): Pints and miles will not disappear due to European Commission proposal [1]
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
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