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radius

segment in a circle or sphere from its center to its perimeter or surface and its length
Thing general Q173817
radius
Dimitris131 · Public Domain · Wikimedia
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Summary

radius ranks in the top 2% of general entities by monthly Wikipedia readership (3,761 views/month).[1]

Key Facts

  • Subclass of: line segment[2], radial line[3], length[4]
  • Part of: diameter[5]
  • Commons gallery: Radius[6]
  • Described by source: ISO 80000-3:2006 Quantities and units — Part 3: Space and time[7], ISO 80000-3:2019 Quantities and units — Part 3: Space and time[8], Encyclopædia Britannica 11th edition[9]
  • Main Wikidata property: P2120[10]
  • Different from: Promień[11], radial distance[12]
  • Recommended unit of measurement: metre[13]

Why It Matters

radius has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[14] radius is known by 60 alternative names across languages and contexts.[15]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . ISO 80000-3:2019 Quantities and units — Part 3: Space and time. wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. wikidata.org.
  3. [15] ↑ . 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). radius. Retrieved October 14, 2026, from https://4ort.xyz/entity/radius-q173817
MLA “radius.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/radius-q173817.
BibTeX @misc{4ortxyz_radius-q173817_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{radius}}, year = {2026}, url = {https://4ort.xyz/entity/radius-q173817}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): radius — https://4ort.xyz/entity/radius-q173817 (retrieved 2026-10-14)

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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. 20w ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
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