length

measured dimension of an object in a physical space
Thing kind_of_quantity Q36253
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length

Summary

length is a kind of quantity[1]. length draws 11,292 Wikipedia views per month (kind_of_quantity category, ranking #2 of 11).[2]

Key Facts

  • length's instance of is recorded as kind of quantity[3].
  • length's instance of is recorded as ISQ base quantity[4].
  • length's instance of is recorded as dictionary page in Wikipedia[5].
  • length was followed by area[6].
  • length is a type of scalar quantity[7].
  • length is a type of geometric measure[8].
  • length is a type of distance[9].
  • length is a type of Q141083875[10].
  • length's Commons category is recorded as Length[11].
  • length's quantity symbol is recorded as L[12].
  • length's topic's main category is recorded as Category:Length[13].
  • length's Commons gallery is recorded as Length[14].
  • length's described by source is recorded as ISO 80000-3:2006 Quantities and units — Part 3: Space and time[15].
  • length's described by source is recorded as ISO 80000-3:2019 Quantities and units — Part 3: Space and time[16].
  • length's described by source is recorded as SI Brochure (9th edition): Concise summary[17].
  • length's Stack Exchange tag is recorded as https://physics.stackexchange.com/tags/length[18].
  • length's Stack Exchange tag is recorded as https://gis.stackexchange.com/tags/length[19].
  • length's used by is recorded as by length[20].
  • length's has characteristic is recorded as unit of length[21].
  • length's main Wikidata property is recorded as P2043[22].
  • length's equivalent class is recorded as http://purl.obolibrary.org/obo/TXPO_0002415[23].
  • length's equivalent class is recorded as http://www.hozo.jp/owl/YAMATO20210808.miz.owl#length[24].
  • length's equivalent class is recorded as https://w3id.org/pmd/co/PMD_0040001[25].
  • length's NCI Thesaurus ID is recorded as C25334[26].
  • length's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[27].

Body

Definition and Type

Recorded instance of include kind of quantity[3], ISQ base quantity[4], and dictionary page in Wikipedia[5]. Recorded subclass of include scalar quantity[7], geometric measure[8], distance[9], and Q141083875[10].

Use and Application

length's used by is recorded as by length[20].

Influence

Things named for length include Cerambycidae[28], a taxon[29]; Long War[30], a war[31], in Hungary[32]; Lagriinae[33], a taxon[34]; Dlouhá Loučka[35], a municipality of the Czech Republic[36], in Czech Republic[37]; Dlouhá Ves[38], a municipality of the Czech Republic[39], in Czech Republic[40]; Dlouhá Třebová[41], a municipality of the Czech Republic[42], in Czech Republic[43]; Dlouhá Lhota[44], a municipality of the Czech Republic[45], in Czech Republic[46]; and Dlouhá Stráň[47].

Why It Matters

length draws 11,292 Wikipedia views per month (kind_of_quantity category, ranking #2 of 11).[2] length has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[48] length is known by 73 alternative names across languages and contexts.[49]

Entities named for length include Cerambycidae[28], a taxon[29]; Long War[30], a war[31], in Hungary[32]; Lagriinae[33], a taxon[34]; Dlouhá Loučka[35], a municipality of the Czech Republic[36], in Czech Republic[37]; Dlouhá Ves[38], a municipality of the Czech Republic[39], in Czech Republic[40]; and Dlouhá Třebová[41], a municipality of the Czech Republic[42], in Czech Republic[43].

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . 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] ↑ . Toxic Process Ontology. wikidata.org.
  22. [24] ↑ . YAMATO. wikidata.org.
  23. [25] ↑ . Q141572184. wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [28] ↑ . wikidata.org. → on this site
  2. [30] ↑ . wikidata.org. → on this site
  3. [33] ↑ . wikidata.org. → on this site
  4. [35] ↑ . wikidata.org. → on this site
  5. [38] ↑ . wikidata.org. → on this site
  6. [41] ↑ . wikidata.org. → on this site
  7. [44] ↑ . wikidata.org. → on this site
  8. [47] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [29] ↑ . Wikidata. wikidata.org. → on this site
  2. [31] ↑ . Wikidata. wikidata.org. → on this site
  3. [32] ↑ . Wikidata. wikidata.org. → on this site
  4. [34] ↑ . Wikidata. wikidata.org. → on this site
  5. [36] ↑ . Wikidata. wikidata.org. → on this site
  6. [37] ↑ . Wikidata. wikidata.org. → on this site
  7. [39] ↑ . Wikidata. wikidata.org. → on this site
  8. [40] ↑ . Wikidata. wikidata.org. → on this site
  9. [42] ↑ . Wikidata. wikidata.org. → on this site
  10. [43] ↑ . Wikidata. wikidata.org. → on this site
  11. [45] ↑ . Wikidata. wikidata.org. → on this site
  12. [46] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [48] ↑ . Wikidata sitelinks. wikidata.org.
  3. [49] ↑ . 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). length. Retrieved October 2, 2026, from https://4ort.xyz/entity/length
MLA “length.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Oct. 2026, https://4ort.xyz/entity/length.
BibTeX @misc{4ortxyz_length_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{length}}, year = {2026}, url = {https://4ort.xyz/entity/length}, note = {Accessed: 2026-10-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): length — https://4ort.xyz/entity/length (retrieved 2026-10-02)

Canonical URL: https://4ort.xyz/entity/length · 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. 7d ago · عُثمان · 2026-09-27 view diff on Wikidata ↗
    P14884 → 0000122
    Wikipedia languages → ['af', 'an', 'anp', 'ar', 'arc', 'ary', 'ast', 'atj', 'az', 'azb', 'ba', 'bar',
    Equivalent class → http://purl.obolibrary.org/obo/TXPO_0002415, http://www.hozo.jp/owl/YAMATO20210808.miz.owl#length, https://w3id.org/pmd/co/PMD_0040001
    P14903 → 0002415
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P1709]]: https://w3id.org/pmd/co/PMD_0040001"
  2. 15d ago · عُثمان · 2026-09-19 view diff on Wikidata ↗
    Equivalent class → http://purl.obolibrary.org/obo/TXPO_0002415, http://www.hozo.jp/owl/YAMATO20210808.miz.owl#length, https://w3id.org/pmd/co/PMD_0040001
    "/* wbremoveclaims-remove:1| */ [[Property:P1709]]: http://purl.bioontology.org/ontology/HOIP/HOIP_0002415"
  3. 25d ago · Mahir256 · 2026-09-09 view diff on Wikidata ↗
    P14870 → ont00000738
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/53024|batch #53024]]"
  4. 27d ago · عُثمان · 2026-09-07 view diff on Wikidata ↗
    Equivalent class → http://purl.obolibrary.org/obo/TXPO_0002415, http://www.hozo.jp/owl/YAMATO20210808.miz.owl#length, https://w3id.org/pmd/co/PMD_0040001
    "/* wbsetclaim-create:2||1 */ [[Property:P1709]]: http://www.hozo.jp/owl/YAMATO20210808.miz.owl#length"
  5. 27d ago · عُثمان · 2026-09-06 view diff on Wikidata ↗
    Equivalent class → http://purl.obolibrary.org/obo/TXPO_0002415, http://www.hozo.jp/owl/YAMATO20210808.miz.owl#length, https://w3id.org/pmd/co/PMD_0040001
    Subclass of → scalar quantity, geometric measure, distance +1
    "/* wbremoveclaims-remove:1| */ [[Property:P279]]: [[Q141256417]]"
  6. 28d ago · عُثمان · 2026-09-06 view diff on Wikidata ↗
    Equivalent class → http://purl.obolibrary.org/obo/TXPO_0002415, http://www.hozo.jp/owl/YAMATO20210808.miz.owl#length, https://w3id.org/pmd/co/PMD_0040001
    "/* wbsetclaim-create:2||1 */ [[Property:P1709]]: http://purl.obolibrary.org/obo/TXPO_0002415"
  7. 4w ago · Auteuil-Passy · 2026-08-31 view diff on Wikidata ↗
    Instance of → kind of quantity, ISQ base quantity, dictionary page in Wikipedia
    "/* wbmergeitems-from:0||Q12893590 */"
  8. 6w ago · Lucidieaux · 2026-08-21 view diff on Wikidata ↗
    P14692 → Meta
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/48942|batch #48942]]: Add OSM wiki item IDs to items with matching OSM keys"
  9. 10w ago · Circeus · 2026-07-25 view diff on Wikidata ↗
    Used by → by length
    "/* wbsetclaim-create:2||1 */ [[Property:P1535]]: [[Q110897924]]"
  10. 19w ago · Waldyrious · 2026-05-23 view diff on Wikidata ↗
    Subclass of → —
    Mathematical inverse → reciprocal length
    Instance of → —
    Has characteristic → unit of length
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P279]]: [[Q322481]]"
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