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micrometre

SI unit of length equal to one millionth of a metre or 1/1000th of a millimetre
Intangible unit_of_length Q175821
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Summary

micrometre is an unit of length[1]. micrometre draws 8,591 Wikipedia views per month (unit of length category, ranking #10 of 96).[2]

Key Facts

  • Instance of: SI derived unit[3], metric unit[4]
  • Measured physical quantity: length[5]
  • Unicode character: ㎛[6]
  • Described by source: Great Soviet Encyclopedia (1926–1947)[7], Meyers Konversations-Lexikon, 4th edition (1885–1890)[8]
  • Different from: micrometer[9]
  • Conversion to SI unit: 0.000001 m[10]
  • Conversion to standard unit: 0.000003280840 feet[11], 0.00003937008 inches[12], 0.0001000000 cm[13], 0.001 millimetre[14], 0.0000000006213711922373339 miles[15]
  • Wikidata SPARQL query equivalent: wd:Q175821 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)[16]
  • Unit symbol: μm[17], میکرومتر[18], µм[19], мкм[20], 微米[21], µm[22]
  • Subdivision of this unit: nanometre[23]

Why It Matters

micrometre has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[24] micrometre is known by 76 alternative names across languages and contexts.[25]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [24] ↑ . Wikidata sitelinks. wikidata.org.
  3. [25] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). micrometre. Retrieved October 16, 2026, from https://4ort.xyz/entity/micrometre
MLA “micrometre.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/micrometre.
BibTeX @misc{4ortxyz_micrometre_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{micrometre}}, year = {2026}, url = {https://4ort.xyz/entity/micrometre}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): micrometre — https://4ort.xyz/entity/micrometre (retrieved 2026-10-16)

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