kelvin

SI unit of thermodynamic temperature
Intangible si_base_unit Q11579
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Summary

kelvin is a SI base unit[1]. kelvin draws 13,033 Wikipedia views per month (si base unit category, ranking #2 of 7).[2]

Key Facts

  • Instance of: unit of thermodynamic temperature[3], UCUM base unit[4], SI unit with special name[5]
  • Measured physical quantity: thermodynamic temperature[6], color temperature[7], dew point[8], Curie temperature[9], Debye temperature[10], Fermi temperature[11], Néel temperature[12], superconduction transition temperature[13]
  • Named after: William Thomson, 1st Baron Kelvin[14]
  • Commons category: Kelvin temperature[15]
  • Unicode character: K[16]
  • Described by source: SI Brochure (8th edition)[17]
  • Different from: kelvin difference[18], Degrees Kelvin: A Tale of Genius, Invention, and Tragedy[19]
  • Uses: zero-based numbering[20]
  • Conversion to SI unit: 1 K[21]
  • Wikidata SPARQL query equivalent: wd:Q11579 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)[22]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[23]
  • Unit symbol: K[24], К[25]

Why It Matters

kelvin has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[26] kelvin is known by 50 alternative names across languages and contexts.[27]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . Unified Code for Units of Measure. ucum.org. Provenance: wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . ISO 80000-1:2009 Quantities and units—Part 1: General. 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.
  22. [24] ↑ . Logopedia. wikidata.org.
  23. [25] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [26] ↑ . Wikidata sitelinks. wikidata.org.
  3. [27] ↑ . 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). kelvin. Retrieved October 15, 2026, from https://4ort.xyz/entity/kelvin
MLA “kelvin.” 4ort.xyz Knowledge Graph, 4ort.xyz, 15 Oct. 2026, https://4ort.xyz/entity/kelvin.
BibTeX @misc{4ortxyz_kelvin_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{kelvin}}, year = {2026}, url = {https://4ort.xyz/entity/kelvin}, note = {Accessed: 2026-10-15}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): kelvin — https://4ort.xyz/entity/kelvin (retrieved 2026-10-15)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 13w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 1wtE69
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  2. 17w ago · Putnik · 2026-06-16 view diff on Wikidata ↗
    Visuotinė lietuvių enciklopedija id → kelvinas
    "/* wbsetclaim-create:2||1 */ Visuotinė lietuvių enciklopedija id: kelvinas"
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