per mille [1 ] [2 ] (from [3 ] Latin , "in each thousand" per mīlle ), also spelled [4 ] per mil, [4 ] [1 ] [5 ] [6 ] [2 ] [7 ] per mill, [4 ] [2 ] [5 ] [6 ] [7 ] [8 ] permil, [4 ] permill, or [4 ] permille is a sign indicating [3 ] parts per thousand. Per mil should not be confused with parts per million (ppm).
The sign is written
‰, which looks like a percent sign (%) with an extra zero in the divisor. It is included in the General Punctuation block of Unicode characters: U+2030 ‰ per mille sign (HTML:
It is accessible in [3 ] Windows using
The term occurs so rarely in English that major dictionaries do not agree on the spelling or pronunciation even within a single
dialect of English and some major dictionaries such as [9 ] Macmillan and [10 ] Longman do not even contain an entry. The term is more common in other European languages where it is used in contexts, such as [11 ] blood alcohol content, that are usually expressed as a percentage in English-speaking countries.
Examples [ edit ]
Examples of common use include:
expressing costs for print and online advertisements which are commonly sold at
cost per mille (CPM); this is the common unit for all banner and display advertising frequently used by
email service providers to denominate the cost for 1,000 emails delivered as a cost per mille (CPM)
Related units [ edit ]
References [ edit ]
^ a b Cambridge Dictionary Online. " per mille". Cambridge University Press ( Cambridge), 2014. Accessed 31 August 2012.
^ a b c Oxford Dictionaries: The British & World Dictionary. " per mille" Accessed 1 Aug 2014.
^ a b c Unicode. " General Punctuation". 2014. Accessed 5 Aug 2014.
^ a b c d e , Oxford English Dictionary 3rd ed. "per mil, adv." Oxford University Press (Oxford), 2005.
^ a b eReference. " per mil". Houghton Mifflin. Accessed 31 Aug 2012.
^ a b Oxford Dictionaries: The American Dictionary. " per mill". Accessed 1 Aug 2014.
^ a b Collins English Dictionary. " per mill ". 2014. Accessed 1 Aug 2014. or per mil
^ Collins American English Dictionary. " per mill". 2014. Accessed 1 Aug 2014.
^ See entries above
^ Macmillan Dictionary. " No result". Accessed 1 Aug 2014.
^ Longman Dictionary of Contemporary English. " No result". Accessed 1 Aug 2014.