The pint // ( listen (help·info)) (abbreviated as "pt" or "p") is a unit of volume or capacity in both the imperial and United States customary measurement systems. In both of those systems it is traditionally one-eighth of a gallon, Imperial or U.S., although measuring a different amount of liquid (an Imperial pint equals roughly 568 millilitres, or 20 Imperial fluid ounces; a U.S. pint equals roughly 473 millilitres, or 16 U.S. fluid ounces). The British pint is thus about 20% larger than the American pint (the two systems are not the same). Almost all other countries have standardized on the metric system. The size of what may be called a pint varies depending on local custom.
The imperial pint (≈ 568 ml) is used in the United Kingdom and Ireland and to a limited extent in Commonwealth nations. In the United States, two pints are used: a liquid pint (≈ 473 ml) and a less-common dry pint (≈ 551 ml). Each of these pints is one-eighth of its respective gallon, but the gallons differ and the imperial pint is about 20% larger than the US liquid pint. This difference dates back to 1824, when the British Weights and Measures Act standardised various liquid measures throughout the British Empire, while the United States continued to use the earlier English measures. The imperial pint consists of 20 imperial fluid ounces and the US liquid pint is 16 US fluid ounces, making the imperial fluid ounce about 4% smaller than the US fluid ounce.
All of the other former British colonies, such as Canada, Australia, South Africa and New Zealand, converted to the metric system in the 1960s and 1970s; so, while the term "pint" may still be in common use in these countries, it may no longer refer to the British imperial pint once used throughout the British Empire. In the United Kingdom, the imperial pint is still the primary unit for draught beer and cider, as it is for milk sold in returnable bottles. In the UK, legislation mandates that draught beer and cider may be sold by the imperial pint in perpetuity, and in public houses can only be sold in a third of a pint, two-thirds of a pint or multiples of half a pint, which must be served in stamped measured glasses or from government-stamped meters.
Since the vast majority of countries in the world no longer use American or British imperial units, and most are non-English speaking, a "pint of beer" served in a tavern outside the United Kingdom and the United States may be measured by other standards. In Commonwealth countries it may be a British Imperial pint of 568 ml, in countries serving large numbers of American tourists it might be a US liquid pint of 473 ml, in many metric counties it is a half-litre beer stein of 500 ml, or in some places it is another measure reflecting national and local laws and customs.
Historically, units called a pint (or the equivalent in the local language) were used across much of Europe, with values varying between countries from less than half a litre to over one litre. Within continental Europe, the pint was replaced with the metric system during the 19th century. The term is still in limited use in parts of France, and in Quebec - where "une pinte" means an imperial quart, which is 2 pints, around one litre, whereas a pint is "une chopine" - and Central Europe, notably some areas of Germany and Switzerland, where "ein Schoppen" is colloquially used for roughly half a litre.
United States liquid pint
- The United States liquid pint is equal to one-eighth of a United States liquid gallon. It is used commonly in the United States.
1 US liquid pint = 1⁄8 US liquid gallon = 1⁄2 US liquid quart = 2 US cups = 4 US fluid gills = 16 US fluid ounces = 128 US fluid drams = 28.875 cubic inches (exactly) = 473.176473 millilitres (exactly) ≈ 473 ml ≈ 0.83267418463 imperial pints ≈ 0.85936700738 US dry pints ≈ the volume of 1.041 lb (472 g) of water at 62 °F (16.7 °C)
United States dry pint
1 US dry pint = 1⁄8 US dry gallons = 1⁄2 US dry quarts = 33.6003125 cubic inches (exactly) = 550.6104713575 millilitres (exactly) ≈ 551 ml ≈ 0.96893897192 imperial pints ≈ 1.1636471861 US liquid pints
The United States dry pint is equal to one-eighth of a United States dry gallon. It is used in the United States, but is not as common as the liquid pint.
A now-obsolete unit of measurement in Scotland known as the Scottish pint or joug equals three imperial pints. It remained in use until the 19th century, surviving significantly longer than most of the old Scottish measurements.
The French word pinte is etymologically related, but historically described a larger unit. The Royal pint (pinte du roi) was 48 French cubic inches (952.1 mL). but regional pints varied in size depending on locality and on commodity (usually wine or olive oil) varying from 0.95 L to over 2 L. Thus, in French Canada, une pinte refers, by federal law, to the imperial quart whereas the imperial pint is called une chopine.
In Canada, if you speak English and order "a pint of beer", servers are legally required to serve you 568 ml of beer, but if you speak French and order "une pinte de bière", they are legally required to serve you 1136 ml, which is twice as much. This is one of numerous false friends ("false friends of a translator", or "faux amis du traducteur") which exist between English and French. They are not the same unit although they have the same linguistic origin - the French Canadian pinte is actually equivalent to the English quart. If you want to order an English pint of beer in Canadian French, order "une chopine de bière". The Imperial system of measurement is no longer taught in Canadian schools, so servers may be unclear on how big a pint or pinte is regardless of language.
In Flanders, the word pintje, meaning 'little pint', refers only to a 250 mL glass of lager. Some West- and East-Flemish dialects use it as a word for beaker. The equivalent word in German, Pintchen, refers to a glass of a third of a litre in Cologne and the Rhineland.
One US fluid pint of water weighs about a pound (16 ounces), resulting in the popular saying, "The pint's a pound, the world around." However, a US pint of water weighs 1.04375 pounds and the statement does not hold the world around because the imperial (UK) pint, which was also the standard measure in Australia, India, Malaya, New Zealand, South Africa etc., weighs 1.25 pounds. A different saying for the imperial pint is "a pint of pure water weighs a pound and a quarter".
The pint is traditionally one-eighth of a gallon. In the Latin of the apothecaries' system, octarius (plural octarii; symbol O) reflected the "eighth" concept in its octa- syllable. Because of the variety of definitions of a gallon, there have been equally many versions of the pint.
America adopted the British wine gallon, defined in 1707 as 231 cubic inches exactly (3 × 7 × 11 in) as its basic liquid measure, from which the US 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 the various gallons with a new imperial gallon based on ten pounds of distilled water at 62 °F (16.667 °C) (277.42 cubic inches), from which the current UK pint is derived.
The various Canadian provinces continued to use the Queen Anne Winchester wine gallon as a basis for their pint until 1873, well after Britain adopted the imperial system in 1824. This made the Canadian pint compatible with the American pint, but after 1824 it was incompatible with the British pint. The traditional French "pinte" used in Lower Canada (Quebec) was twice the size of the traditional English "pint" used in Upper Canada (Ontario), about 1 litre versus 0.5 litres. After four of the British provinces united in the Canadian Confederation in 1867, Canada legally adopted the British imperial system of measure in 1873, making Canadian liquid units incompatible with American ones from that year forward. In 1873, the French Canadian "pinte" was defined as being one imperial quart or two imperial pints, while the imperial pint was legally called a "chopine" in French Canada. Canadian imperial units of liquid measure remain incompatible with American traditional units to this day, and although the Canadian pint, quart, and gallon are still legal units of measure in Canada, they are still 20% larger than the American ones.
Effects of metrication
In the British and Irish metrication processes, the pint was replaced by metric units as the legally defined primary unit of measure for trading by volume or capacity, except for the sale of draught beer and cider, and milk in returnable containers. The pint can still be used in those countries as a supplementary unit in all circumstances. Local legislation in the UK mandates the use of the pint as a measure for draught beer and cider (in pubs for instance). For milk, if returnable containers are used, the pint can still be the principal unit used, otherwise metric units (usually the non-SI litre) must be used. There is no requirement for the litre quantity to be round numbers: thus the quantity of milk sold in a non-returnable container may be 1 pint, but will have "568 ml 1 pint", or just "568 ml" on the label. Many recipes published in the UK and Ireland still give ingredient quantities in imperial, where the pint is often used as a unit for larger liquid quantities. The Guild of Food Writers recommends that new recipes be published in metric units.
The British Virgin Islands also requires that beer and cider be sold in pints. Also, in Canada, water amounts in air purifiers are advertised in pints as well as BTUs ("British thermal units"), see metrication.
In Australia and New Zealand, a subtle change was made to 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 the bottles was unaffected, but the shape was adjusted to increase the capacity from 568 ml to 600 ml – a conveniently rounded metric measure. Such milk bottles are no longer officially referred to as pints. However, the "pint glass" in pubs in Australia remains closer to the standard imperial pint, at 570 ml. It holds about 500 ml of beer and about 70 ml of froth, except in South Australia, where a pint is served in a 425 ml glass and a 570 ml glass is called an "imperial pint". In New Zealand, there is no longer any legal requirement for beer to be served in standard measures: in pubs, the largest size of glass, which is referred to as a pint, varies, but usually contains 425 ml.
In Canada, the "pint of beer" served in pubs and bars has long been considered a colloquial term for "a large glass of beer". Legally speaking, after 1873, it was defined as one British imperial pint of 20 imperial ounces. On the other hand, the United States continued to use a smaller 16 ounce pint, while in French Canada after 1873 a "pinte de bière" was defined as a much larger 40 ounce quart of beer, so confusion arose to which was being used. Prior to 1961, bottled beer in Canada was served in two sizes, colloquially known as "quarts" and "pints". They were 22 and 12 imperial ounces (625 and 341 ml), respectively, which were much smaller than the British units. Some provinces banned the sale of beer in the larger bottle. For example, in Ontario in the 1950s only the smaller size could be sold, but in Quebec both sizes were about equally common. The numerous incompatibilities between traditional Canadian, British, French, and American unit systems was one of the driving forces behind metrication in Canada.
Draft beer in Canada, when advertised as a "pint", is legally required to be 568 ml (20 fluid ounces). With the allowed margin of error of 0.5 fluid ounces, a "pint" that is less than 554 ml of beer is an offence, though - to the detriment of consumers - this regulation is often violated and rarely enforced.
After metrication in Canada, companies sold milk and other liquids in metric units so conversion issues could no longer arise. Legally speaking, although some British imperial units are still legally usable in Canada, as a result of Canada's colonial history, the "pint" served in drinking establishments in Canada should be the larger 20 ounce British imperial pint, rather than the smaller 16 ounce American traditional pint. Under the Canada Weights and Measures Act, if asked for a "pint of beer", businesses should serve customers 0.568 litres of beer with an accuracy of 0.5%, and if asked for a "pinte de bière" they should serve them 1.136 litres. The Imperial system of measurement is no longer taught in Canadian schools, which leads to confusion when customers ask how big a drinking establishment's pints are. Servers and even managers may not know. To avoid legal issues, many drinking establishments are moving away from using the term "pint" and are selling "glasses" or "sleeves" of beer, neither of which have a legal definition.
A 375 ml bottle of liquor in the US and the Canadian maritime provinces is sometimes referred to as a "pint" and a 200 ml bottle is called a "half-pint", harking back to the days when liquor came in US pints, fifths, quarts, and half-gallons. Liquor in the US has been sold in metric-sized bottles since 1980 although beer is still sold in US traditional units.
In France, a standard 250 ml measure of beer is known as un demi ("a half"), originally meaning a half pint.
Pint comes from the Old French word pinte and perhaps ultimately from Latin picta meaning "painted", for a line painted on the side of a glass marking a one-pint volume of ale.[not in citation given]
References and notes
- "Weights and Measures". British Beer and Pub Association. Retrieved 10 January 2015.
- American Journal of Physics, v.67(1), 1999-Jan, p.13-16, Romer,R.H.; Editorial: Units: SI only, or multi-cultural diversity?
- Duden, February 28th, 2016.
- Fifty imperial pints or sixty US liquid pints are both very close to one cubic foot.
- after the 1985 (UK), c. 1964 (Canada), redefinition of the imperial gallon
- Text of the Units of Measurement Regulations 1995 (Schedule) as originally enacted or made within the United Kingdom, from legislation.gov.uk
- One US liquid gallon is defined as 231 cubic inches.
- after the 1964 redefinition of the litre and the 1959 redefinition of the inch
- Palaiseau, JFG (October 1816). Métrologie universelle, ancienne et moderne: ou rapport des poids et mesures des empires, royaumes, duchés et principautés des quatre parties du monde. Bordeaux. p. 8. Retrieved 30 October 2011.
- The site Measurement Canada contains a wealth of documentation on official Canadian measurements. The French language version of the site is Mesures Canada.
- "Pints of draft beer". Measurement Canada. Retrieved 2016-09-18.
- "Chopines de bière pression". Mesures Canada. Retrieved 2016-09-18.
- ""A Pint's a Pound the World Around"". Government Book Talk. 2010-04-27. Retrieved 2017-01-30.
- Ross, Lester A. (1983), Archeological Metrology: English, French, American and Canadian systems of Weights and Measures for North American Historical Archeology (PDF), Government of Canada, retrieved 10 November 2014
- Weights and measures, Business Link (Department for Business, Innovation and Skills), archived from the original on 23 August 2012, retrieved 12 November 2011
- Weights and measures: the law
- The sale of alcohol in pubs, restaurants, etc
- "Campaigns – Metrication". Guild of Food Writers. Retrieved 2 December 2011.
- "Is a pint really a pint in Wellington?, 6 Sept 2012, The Dominion
- "Fairness at the Pumps Act". Industry Canada. Retrieved 22 September 2014.
- "We Demand a Full Pint". Toronto Star. Retrieved 22 September 2014.
- Weights and Measures Act, Government of Canada, 1985, retrieved November 8, 2014
- More than half of Vancouver bars aren't pouring real pints, National Post, July 18, 2014, retrieved November 2, 2014
- Elizabeth E. Epstein, Barbara S. McCrady. Overcoming Alcohol Use Problems: A Cognitive-Behavioral Treatment Program. Oxford University Press. p. 7.
- US CFR Title 27, Part 5, Subpart E, Section 5.47a
- "Pint". Merriam-Webster.com. 2013. Retrieved 31 May 2013.
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