Home › Entities › physical_constant › magnetic constant

magnetic constant

physical constant; ratio between the magnetic H-field and the magnetic B-field in classical vacuum
Thing physical_constant Q1515261
Press Enter · cited answer in seconds

magnetic constant

Summary

magnetic constant is a physical constant[1]. It draws 548 Wikipedia views per month (physical_constant category, ranking #10 of 43).[2]

Key Facts

  • magnetic constant's instance of is recorded as physical constant[3].
  • magnetic constant's instance of is recorded as UCUM constant[4].
  • magnetic constant's measured physical quantity is recorded as magnetic permeability[5].
  • magnetic constant's GND ID is recorded as 4540713-7[6].
  • magnetic constant's subclass of is recorded as scalar quantity[7].
  • magnetic constant's subclass of is recorded as magnetic permeability[8].
  • magnetic constant's Freebase ID is recorded as /m/07plyl[9].
  • magnetic constant's numeric value is recorded as {'unit': 'Q21392882', 'amount': '+0.00000125663706127'}[10].
  • magnetic constant's described by source is recorded as IEC 80000-6:2008 Quantities and units—Part 6: Electromagnetism[11].
  • magnetic constant's described by source is recorded as IEC 80000-6:2022 Quantities and units — Part 6: Electromagnetism[12].
  • magnetic constant's NIST/CODATA ID is recorded as mu0[13].
  • magnetic constant's conversion to SI unit is recorded as {'unit': 'Q21392882', 'amount': '+0.00000125663706127'}[14].
  • magnetic constant's ISQ dimension is recorded as \mathsf{L} \mathsf{M} \mathsf{T}^{-2} \mathsf{I}^{-2}[15].
  • magnetic constant's Great Norwegian Encyclopedia ID is recorded as magnetisk_konstant[16].
  • magnetic constant's IUPAC Gold Book ID is recorded as P04504[17].
  • magnetic constant's Elhuyar ZTH ID is recorded as 139007[18].
  • magnetic constant's Wolfram Language entity code is recorded as Entity["PhysicalConstant", "MagneticConstant"][19].
  • magnetic constant's World of Physics ID is recorded as VacuumPermeability[20].
  • magnetic constant's World of Physics ID is recorded as PermeabilityofFreeSpace[21].
  • magnetic constant's Microsoft Academic ID is recorded as 162632412[22].
  • magnetic constant's ProofWiki ID is recorded as Definition:Vacuum_Permeability[23].
  • magnetic constant's Wolfram Language unit code is recorded as "MagneticConstant"[24].
  • magnetic constant's Online PWN Encyclopedia ID is recorded as 3936100[25].
  • magnetic constant's UCUM code is recorded as [mu_0][26].
  • magnetic constant's quantity symbol is recorded as \mu_0[27].

Why It Matters

magnetic constant draws 548 Wikipedia views per month (physical_constant category, ranking #10 of 43).[2] It has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[28] It is known by 32 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] ↑ . CODATA recommended values of the fundamental physical constants: 2022. wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . CODATA recommended values of the fundamental physical constants: 2022. 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] ↑ . IEC 80000-6:2022 Quantities and units — Part 6: Electromagnetism. 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). magnetic constant. Retrieved May 3, 2026, from https://4ort.xyz/entity/magnetic-constant
MLA “magnetic constant.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/magnetic-constant.
BibTeX @misc{4ortxyz_magnetic-constant_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{magnetic constant}}, year = {2026}, url = {https://4ort.xyz/entity/magnetic-constant}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): magnetic constant — https://4ort.xyz/entity/magnetic-constant (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/magnetic-constant · Last refreshed: