Per mille

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A per mille[1][2][3] is a sign which means parts per thousand. Per mil should not be confused with parts per million (ppm).

It is written , which looks like a percent sign (%) with an extra zero in the divisor.

References[change | change source]

  1. Cambridge Dictionary Online. "per mille". Cambridge University Press (Cambridge), 2014. Accessed 31 August 2012.
  2. Oxford Dictionaries: The British & World Dictionary. "per mille" Accessed 1 Aug 2014.
  3. Unicode. "General Punctuation". 2014. Accessed 5 Aug 2014.