Home › Entities › si_derived_unit › lux

lux

SI unit of illuminance
Intangible si_derived_unit Q179836
lux
en:User:Hankwang · Public Domain · Wikimedia

Facts

12 properties
Instance of
SI derived unit, unit of illuminance, SI unit with special name, UCUM derived unit[1][2][3]
Part of
International System of Units[5]
Conversion to SI unit
+1[8]
Conversion to standard unit
+0.0001[9]
Defining formula
1 \text{lx} = 1 \frac{\text{lm}}{\text{m}^2}
Derived from base unit
candela, metre, steradian[16][17][18]
Described by source
The Nuttall Encyclopædia, Great Soviet Encyclopedia (1926–1947)[6][7]
Maintained by WikiProject
WikiProject Mathematics[15]
Measured physical quantity
illuminance[4]
On focus list of Wikimedia project
Wikipedia:Vital articles/Level/4, WikiProject Lukion taulukot[11][12]
Unit symbol
lx, лк, lx, lx[13][14]
Wikidata SPARQL query equivalent
wd:Q179836 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)[10]
🏷️ Also known as
en lx en lux ar لوكس ar لكس de lx es lx fa ㏓ fa لوکس fi lux fi luksi fi lx fr lx he לוקס hi लक्स hu lx ja ルーメン毎平方メートル ja ルクス ja 照度の比較 ko 럭스 ko 룩스
🔖 Identifiers · 22
Art & Architecture Thesaurus ID
300266202
Encyclopædia Britannica Online ID
science/lux
Freebase ID
/m/014fpz
Gran Enciclopèdia Catalana ID
lux
Gran Enciclopèdia Catalana ID (former scheme)
0120702
Great Norwegian Encyclopedia ID
lux
Great Russian Encyclopedia Online ID (2017)
2162114
Great Russian Encyclopedia portal ID
liuks-fc9482
IEV number
845-21-085
IUPAC Gold Book ID
L03651
Microsoft Academic ID (discontinued)
183460092
NE.se ID
lux
Show all 22 identifiers +10
OmegaWiki Defined Meaning
341601
Ontology of units of Measure 2.0 unit ID
lux
QUDT dimension ID
A0E0L-2I1M0H0T0D0
QUDT unit ID
LUX
UCUM code
lx
UN/CEFACT Common Code
LUX
Wolfram Language unit code
"Lux"
WordNet 3.1 Synset ID
13662195-n
World of Physics ID
Lux
Wurvoc.org measure ID
lux

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Derived from base unit 3
metre, candela, steradian
Described by source 1
The Nuttall Encyclopædia
Instance of 1
SI derived unit
Maintained by WikiProject 1
WikiProject Mathematics
Measured physical quantity 1
illuminance
On focus list of Wikimedia project 1
Wikipedia:Vital articles/Level/4
← Recommended unit of measurement 1
illuminance
Press Enter · cited answer in seconds

References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  5. [5] ↑ . bipm.org. Retrieved . bipm.org. Provenance: wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . wikidata.org.
  9. [9] ↑ . Retrieved . wikidata.org.
  10. [10] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . nist.gov. Retrieved . nist.gov. Provenance: wikidata.org.
  13. [13] ↑ . Logopedia. wikidata.org.
  14. [14] ↑ . wikidata.org.
  15. [15] ↑ . wikidata.org.
  16. [16] ↑ . wikidata.org.
  17. [17] ↑ . wikidata.org.
  18. [18] ↑ . 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). lux. Retrieved November 6, 2026, from https://4ort.xyz/entity/lux-q179836-2
MLA “lux.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/lux-q179836-2.
BibTeX @misc{4ortxyz_lux-q179836-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{lux}}, year = {2026}, url = {https://4ort.xyz/entity/lux-q179836-2}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): lux — https://4ort.xyz/entity/lux-q179836-2 (retrieved 2026-11-06)

Canonical URL: https://4ort.xyz/entity/lux-q179836-2 · 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. 3d ago · Zache-test · 2026-11-05 view diff on Wikidata ↗
    On focus list of Wikimedia project → Wikipedia:Vital articles/Level/4, WikiProject Lukion taulukot
    "Created claim: On focus list of Wikimedia project: WikiProject Lukion taulukot, Add WikiProject Lukion taulukot membership (P5008) with SI-derived-unit criterion (P1013) and NIST source: lux"
  2. 11d ago · Zache-test · 2026-10-28 view diff on Wikidata ↗
    On focus list of Wikimedia project → Wikipedia:Vital articles/Level/4, WikiProject Lukion taulukot
    Great Russian Encyclopedia Online ID (2017) → 2162114
    Conversion to SI unit → {'unit': 'Q179836', 'amount': '+1'}
    Conversion to standard unit → {'unit': 'Q901492', 'amount': '+0.0001'}
    + 6 other properties edited (see Wikidata diff for full list)
    "Created claim: Part of: International System of Units, Add SI system membership (P361) with a BIPM SI Brochure reference (Table 4)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.