Stefan-Boltzmann constant

ratio between the radiative power of a black body to the fourth power of its temperature
Thing physical_constant Q51374
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Stefan-Boltzmann constant

Summary

Stefan-Boltzmann constant is a physical constant[1]. It draws 54 Wikipedia views per month (physical_constant category, ranking #26 of 43).[2]

Key Facts

  • Stefan-Boltzmann constant's instance of is recorded as physical constant[3].
  • Stefan-Boltzmann constant's instance of is recorded as proportionality[4].
  • Stefan-Boltzmann constant's instance of is recorded as physical theory[5].
  • Josef Stefan is named after Stefan-Boltzmann constant[6].
  • Ludwig Boltzmann is named after Stefan-Boltzmann constant[7].
  • Stefan-Boltzmann constant's Commons category is recorded as Stefan–Boltzmann constant[8].
  • Stefan-Boltzmann constant's Freebase ID is recorded as /m/0dy65[9].
  • Stefan-Boltzmann constant's numeric value is recorded as {'unit': 'Q21395834', 'amount': '+0.0000000567037441918442945397099673188923087584012297029130368240546173705394816062652332608257185777044688703926026976455142'}[10].
  • Stefan-Boltzmann constant's facet of is recorded as Stefan-Boltzmann law[11].
  • Stefan-Boltzmann constant's Gran Enciclopèdia Catalana ID is recorded as 0064083[12].
  • Stefan-Boltzmann constant's NIST/CODATA ID is recorded as sigma[13].
  • Stefan-Boltzmann constant's different from is recorded as Boltzmann constant[14].
  • Stefan-Boltzmann constant's defining formula is recorded as \sigma = \frac{2 \pi^5 k_{\mathrm{B}}^4}{15 h^3 c^2}[15].
  • Stefan-Boltzmann constant's defining formula is recorded as \sigma = \frac{5\,454\,781\,984\,210\,512\,994\,952\,000\,000\pi^5}{29\,438\,455\,734\,650\,141\,042\,413\,712\,126\,365\,436\,049} \mathrm {W}/(\mathrm{m}^2 \cdot \mathrm{K}^4)[16].
  • Stefan-Boltzmann constant's studied by is recorded as thermodynamics[17].
  • Stefan-Boltzmann constant's Great Russian Encyclopedia Online ID is recorded as 4166318[18].
  • Stefan-Boltzmann constant's IUPAC Gold Book ID is recorded as S05964[19].
  • Stefan-Boltzmann constant's Elhuyar ZTH ID is recorded as 139056[20].
  • Stefan-Boltzmann constant's World of Physics ID is recorded as Stefan-BoltzmannConstant[21].
  • Stefan-Boltzmann constant's maintained by WikiProject is recorded as WikiProject Mathematics[22].
  • Stefan-Boltzmann constant's Microsoft Academic ID is recorded as 166784250[23].
  • Stefan-Boltzmann constant's ProofWiki ID is recorded as Definition:Stefan-Boltzmann_Constant[24].
  • Stefan-Boltzmann constant's Wolfram Language unit code is recorded as "StefanBoltzmannConstant"[25].
  • Stefan-Boltzmann constant's in defining formula is recorded as {\displaystyle \sigma }[26].
  • Stefan-Boltzmann constant's in defining formula is recorded as k_{\mathrm{B}}[27].

Why It Matters

Stefan-Boltzmann constant draws 54 Wikipedia views per month (physical_constant category, ranking #26 of 43).[2] It has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[28] It is known by 9 alternative names across languages and contexts.[29]

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] . physics.nist.gov. physics.nist.gov. Provenance: 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] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . 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). Stefan-Boltzmann constant. Retrieved May 3, 2026, from https://4ort.xyz/entity/stefan-boltzmann-constant
MLA “Stefan-Boltzmann constant.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/stefan-boltzmann-constant.
BibTeX @misc{4ortxyz_stefan-boltzmann-constant_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Stefan-Boltzmann constant}}, year = {2026}, url = {https://4ort.xyz/entity/stefan-boltzmann-constant}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Stefan-Boltzmann constant — https://4ort.xyz/entity/stefan-boltzmann-constant (retrieved 2026-05-03)

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