bel

logarithmic unit expressing the ratio of a physical quantity
Intangible logarithmic_unit Q50098
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bel

Summary

bel is a logarithmic unit[1]. bel draws 38 Wikipedia views per month (logarithmic_unit category, ranking #6 of 7).[2]

Key Facts

  • bel is credited with the discovery of Bell Labs[3].
  • bel's instance of is recorded as logarithmic unit[4].
  • bel's instance of is recorded as SI-accepted non-SI unit[5].
  • bel's instance of is recorded as UCUM derived unit[6].
  • bel's instance of is recorded as non-SI unit mentioned in and accepted with the SI[7].
  • bel's instance of is recorded as unit of dimension one[8].
  • bel's measured physical quantity is recorded as logarithmic quantity[9].
  • bel's measured physical quantity is recorded as level of a field quantity[10].
  • bel's measured physical quantity is recorded as level of a power quantity[11].
  • Alexander Graham Bell is named after bel[12].
  • bel's time of discovery or invention is recorded as +1928-00-00T00:00:00Z[13].
  • bel's described by source is recorded as ISO 80000-3:2006 Quantities and units — Part 3: Space and time[14].
  • bel's Encyclopædia Britannica Online ID is recorded as science/bel-measurement[15].
  • bel's defining formula is recorded as \text{B} = \frac{1}{2} \cdot \ln{10} \cdot \text{Np}[16].
  • bel's defining formula is recorded as B = \ln \sqrt{10} Np[17].
  • bel's Google Knowledge Graph ID is recorded as /g/121bj_b9[18].
  • bel's QUDT unit ID is recorded as B[19].
  • bel's Great Norwegian Encyclopedia ID is recorded as bel[20].
  • bel's unit symbol is recorded as {'lang': 'en', 'text': 'B'}[21].
  • bel's unit symbol is recorded as {'lang': 'ru', 'text': 'Б'}[22].
  • bel's maintained by WikiProject is recorded as WikiProject Mathematics[23].
  • bel's UN/CEFACT Common Code is recorded as M72[24].
  • bel's UCUM code is recorded as B[25].
  • bel's Ontology of units of Measure 2.0 unit ID is recorded as bel[26].
  • bel's IEV number is recorded as 801-22-02[27].

Body

Works and Contributions

bel is credited with the discovery of Bell Labs[3].

Why It Matters

bel draws 38 Wikipedia views per month (logarithmic_unit category, ranking #6 of 7).[2] bel has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[28] bel is known by 6 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . wikidata.org.
  4. [7] . wikidata.org.
  5. [8] . wikidata.org.
  6. [3] . wikidata.org.
  7. [9] . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  8. [10] . ISO 80000-3:2006 Quantities and units — Part 3: Space and time. wikidata.org.
  9. [11] . ISO 80000-3:2006 Quantities and units — Part 3: Space and time. wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  15. [17] . ISO 80000-3:2006 Quantities and units — Part 3: Space and time. wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . ISO 80000-1:2009 Quantities and units—Part 1: General. 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). bel. Retrieved May 3, 2026, from https://4ort.xyz/entity/bel-q50098
MLA “bel.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/bel-q50098.
BibTeX @misc{4ortxyz_bel-q50098_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{bel}}, year = {2026}, url = {https://4ort.xyz/entity/bel-q50098}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): bel — https://4ort.xyz/entity/bel-q50098 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/bel-q50098 · Last refreshed:

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. 25d ago · Infovarius · 2026-05-06 view diff on Wikidata ↗
    Named after Alexander Graham Bell
    Named after
    Described by source ISO 80000-3:2006 Quantities and units — Part 3: Space and time
    Conversion to si unit +1
    + 8 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P2370]]: 1, Copying from [[Q5329]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.