# metre

> SI unit of length

**Wikidata**: [Q11573](https://www.wikidata.org/wiki/Q11573)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Metre)  
**Source**: https://4ort.xyz/entity/metre


## References

1. SI Brochure (8th edition)
2. ISO 80000-1:2009 Quantities and units—Part 1: General
3. ISO 80000-3:2006 Quantities and units — Part 3: Space and time
4. SI Brochure (9th edition): Concise summary
5. [Guide for the use of the International System of Units (SI)](http://physics.nist.gov/cuu/pdf/sp811.pdf)
6. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
7. Freebase Data Dumps. 2013
8. Integrated Authority File
9. Quora
10. [Optimot](https://aplicacions.llengua.gencat.cat/llc/AppJava/index.html?action=Principal&method=detall&input_cercar=m&numPagina=1&database=FITXES_PUB&idFont=11403&idHit=11403&tipusFont=Fitxes+de+l%27Optimot&numeroResultat=7&databases_avansada=&categories_avansada=&clickLink=detall&titol=s%EDmbols+m%E9s+habituals%3A+A+-+M&tematica=&databaseFilterName=Fitxes%20de%20l%27Optimot&databaseFilter=FITXES_PUB&parameterField=FITXES_PUB&tipusCerca=cerca.tot)
11. Recommendation N. 20 - Codes for Units of Measure Used in International Trade - Revision 13 (Annexes I to III)
12. National Library of Israel
13. GF WordNet
14. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)