Per

Per is a Latin preposition which means "through" or "for each", as in per capita.

Per or PER may also refer to:

Places

• IOC country code for Peru
• Pér, a village in Hungary
• Chapman code for Perthshire, historic county in Scotland

Math and statistics

• Rate (mathematics), ratio between quantities in different units, described with the word "per"
• Price–earnings ratio, in finance, a measure of growth in earnings
• Player efficiency rating, a measure of basketball player performance
• Partial equivalence relation, class of relations that are symmetric and transitive
• Physics education research

Science

• Perseus (constellation), standard astronomical abbreviation
• Period (gene) or per that regulates the biological clock and its corresponding protein PER
• Protein efficiency ratio, of food
• PER or peregrinibacteria, a candidate bacterial phylum

Media and entertainment

• PeR (band), a Latvian pop band
• Per (film), a 1975 Danish film

Transport

• IATA code for Perth Airport in Western Australia
• National Rail station code for Penrhiwceiber railway station, Rhondda Cynon Taf, Wales

Other

• Per (given name), a Scandinavian form of Peter
• Per (storm), a storm in Sweden, in January 2007
• Packed Encoding Rules, in computing, an ASN.1 wire format

See also

• All pages with titles beginning with Per
• All pages with titles containing Per
• Perr (disambiguation)
• Pers (disambiguation)
• Purr (disambiguation)