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Per mille
In Unicode PER MILLE SIGN (HTML ‰ · ‰)
Visualisation of 1%, 1?, 1?, 1 pcm and 1 ppm as fractions of the large block

Per mille, (from Latin per m?lle, "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]

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 systems

The code point for the glyph is included in the General Punctuation block of Unicode characters: PER MILLE SIGN.[4] It may be typed using +, , or ++, according to operating system.


A railroad distance and gradient sign in Gda?sk, Poland. The 50? grade is equivalent to 5%.
A tram and gradient sign in Gda?sk, 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 units

See also


  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 2020. per mille adverb (also per mil)
  3. ^ a b "per mill". Oxford Dictionaries: The American Dictionary. Retrieved 2014.
  4. ^ a b Unicode. "General Punctuation". 2014. Accessed 5 Aug 2014.
  5. ^ "per mille". Longman Business Dictionary. Retrieved 2020.
  6. ^ "Macmillan Dictionary". Retrieved 2014. No result

External links

  • Media related to Per mille at Wikimedia Commons

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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