Per mille

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Per mille (from Latin per mīlle, "in each thousand")[1] is an expression that means parts per thousand.[2] Other recognised spellings include per mil,[2] per mill,[1][3] permil,[1] permill,[1] or permille.[4][5]

Per mille
In UnicodeU+2030 PER MILLE SIGN (HTML ‰ · ‰)
Related
See alsoU+0025 % PERCENT SIGN
U+2031 PER TEN THOUSAND SIGN (Basis point)
Visualisation of 1%, 1‰, 1‱, 1 pcm and 1 ppm as fractions of the large block (larger version)

The associated sign is written , which looks like a percent sign % with an extra zero in the divisor.

The term occurs so rarely in English that major dictionaries do not agree on the spelling[1][2][3] and some major dictionaries such as Macmillan[6] do not even contain an entry. The term is more common in other European languages where it is used to express fractions smaller than 1%. One common usage is blood alcohol content, which is usually expressed as a percentage in English-speaking countries.

Per mil should not be confused with parts per million (ppm).

Computer systemsEdit

The code point for the glyph is included in the General Punctuation block of Unicode characters: U+2030 PER MILLE SIGN.[4] It may be typed using Alt+0137, Compose%o, or Ctrl+⇧ Shift+u 2030, according to operating system.

ExamplesEdit

 
A tram and gradient sign in Gdańsk, Poland. The 50‰ grade is equivalent to 5%.

Examples of use include:

In English, the phrase "per mille" may also be used in cost per mille (CPM), the price of 1000 units, used for views of banner and display advertising, and for emails delivered by email service providers.

Related unitsEdit

See alsoEdit

ReferencesEdit

  1. ^ a b c d e Oxford English Dictionary (3rd ed.). Oxford: Oxford University Press. 2005. per mil, adv
  2. ^ a b c "per mille". Business English. Cambridge Dictionary Online. Cambridge: Cambridge University Press. Retrieved 8 June 2020. per mille adverb (also per mil)
  3. ^ a b "per mill". Oxford Dictionaries: The American Dictionary. Retrieved 1 Aug 2014.
  4. ^ a b Unicode. "General Punctuation". 2014. Accessed 5 Aug 2014.
  5. ^ "per mille". Longman Business Dictionary. Retrieved 1 July 2020.
  6. ^ "Macmillan Dictionary". Retrieved 1 Aug 2014. No result

External linksEdit