rack unit

unit of measure describing the height of electronic equipment designed to mount in a 19-inch rack or a 23-inch rack
Intangible unit_of_length Q1427899
rack unit
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rack unit

Summary

rack unit is an unit of length[1]. It draws 561 Wikipedia views per month (unit_of_length category, ranking #22 of 96).[2]

Key Facts

  • rack unit's image is recorded as Rackunit.svg[3].
  • rack unit's image is recorded as Server rack rail dimensions.svg[4].
  • rack unit's instance of is recorded as unit of length[5].
  • rack unit's instance of is recorded as counting unit[6].
  • rack unit's measured physical quantity is recorded as height[7].
  • rack unit's part of is recorded as technical standard[8].
  • rack unit's Freebase ID is recorded as /m/080x1w[9].
  • rack unit's numeric value is recorded as {'unit': 'Q218593', 'amount': '+1.75'}[10].
  • rack unit's facet of is recorded as 19-inch rack[11].
  • rack unit's different from is recorded as Open Rack rack unit[12].
  • rack unit's conversion to SI unit is recorded as {'unit': 'Q11573', 'amount': '+0.04445'}[13].
  • rack unit's Wikidata SPARQL query equivalent is recorded as wd:Q1427899 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)[14].
  • rack unit's unit symbol is recorded as {'lang': 'en', 'text': 'U'}[15].
  • rack unit's Microsoft Academic ID is recorded as 60959790[16].
  • rack unit's UN/CEFACT Common Code is recorded as H80[17].
  • rack unit's Wolfram Language unit code is recorded as "RackUnits"[18].

Why It Matters

rack unit draws 561 Wikipedia views per month (unit_of_length category, ranking #22 of 96).[2] It has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[19] It is known by 15 alternative names across languages and contexts.[20]

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] . Freebase Data Dumps. 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.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [19] . Wikidata sitelinks. wikidata.org.
  3. [20] . 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). rack unit. Retrieved May 3, 2026, from https://4ort.xyz/entity/rack-unit
MLA “rack unit.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rack-unit.
BibTeX @misc{4ortxyz_rack-unit_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{rack unit}}, year = {2026}, url = {https://4ort.xyz/entity/rack-unit}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): rack unit — https://4ort.xyz/entity/rack-unit (retrieved 2026-05-03)

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