Per
title: "Per" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public topic_path: "uncategorized" source: "https://en.wikipedia.org/wiki/Per" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
Per or PER may refer to:
Places
- Peru (IOC country code)
- Pér, a village in Hungary
- Perthshire (Chapman code), historic county in Scotland
Science and technology
- Physics education research
- Packed Encoding Rules, in computing, an ASN.1 wire format
- Per (storm), a January 2007 storm in Sweden
Mathematics
- Rate (mathematics), ratio between quantities in different units
- 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
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
- Perth Airport (IATA code), in Western Australia
- Penrhiwceiber railway station (National Rail station code), Rhondda Cynon Taf, Wales
- Perambur railway station (Indian Railways station code), Chennai, India
Other uses
- Per (given name), a Scandinavian form of Peter
- Per sign (⅌), a symbol used to indicate a ratio
::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::