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luminous flux

total amount of light energy flowing out of a light source per unit of time
Class type of: physical quantity, photometric quantity Q107780

Facts

9 properties
Subclass of
physical quantity, photometric quantity
Defining formula
\Phi_{\mathrm{v}} = \frac{\mathrm{d} Q_{\mathrm{v}}}{\mathrm{d} t}
Described by source
ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation, Great Soviet Encyclopedia (1926–1947), Principles governing photometry (2nd edition), Armenian Soviet Encyclopedia, vol. 4[3][4][5][6]
ISQ dimension
\mathsf{J}
In defining formula
\Phi_{\mathrm{v}}, Q_{\mathrm{v}}, t
Maintained by WikiProject
WikiProject Mathematics[8]
On focus list of Wikimedia project
WikiProject Lukion taulukot[7]
Quantity symbol (LaTeX)
\Phi_{\mathrm{v}}
Recommended unit of measurement
lumen, candela steradian[9][10]
🏷️ Also known as
en luminous power en luminous flux ar تدفق ضوئي ar فيض ضوئي ar التدفق الضوئي ar الفيض الضوئي cs světelný tok de Lichtstrom el Φωτεινή ροή es flujo luminoso fa شار نوری fi valonmäärä fi valovirta fr flux lumineux he הספק אור he שטף אור hu fényáram it Flusso luminoso ja 光束 ja 全光束
🔖 Identifiers · 16
OpenAlex ID
C110113834
Image (Wikimedia Commons)
Curbele de sensibilitate ale ochiului uman.png ↗
Elhuyar ZTH ID
015649
Freebase ID
/m/02s7nb
Great Norwegian Encyclopedia ID
lysfluks
Great Russian Encyclopedia Online ID (2017)
3540711
IEV number
845-21-039
IUPAC Gold Book ID
L03646
Interlingual Index ID
i117590
MetaSat ID
luminousFlux
Microsoft Academic ID (discontinued)
110113834
PSH ID
3439
Show all 16 identifiers +4
QUDT dimension ID
A0E0L0I1M0H0T0D0
QUDT quantity kind ID
LuminousFlux
Wolfram Language quantity ID
LuminousFlux
World of Physics ID
LuminousFlux

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

🔗 Connections
← Measured physical quantity 2
candela, lumen
Maintained by WikiProject 1
WikiProject Mathematics
Recommended unit of measurement 1
lumen
Subclass of 1
physical quantity
← FactGrid item ID 1
Bragny-sur-Saône
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Summary

luminous flux is a type of physical quantity[1] and photometric quantity[2].

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] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . nist.gov. Retrieved . nist.gov. Provenance: wikidata.org.
  8. [8] ↑ . wikidata.org.
  9. [9] ↑ . ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation. wikidata.org.
  10. [10] ↑ . ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation. 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). luminous flux. Retrieved November 6, 2026, from https://4ort.xyz/entity/luminous-flux
MLA “luminous flux.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/luminous-flux.
BibTeX @misc{4ortxyz_luminous-flux_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{luminous flux}}, year = {2026}, url = {https://4ort.xyz/entity/luminous-flux}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): luminous flux — https://4ort.xyz/entity/luminous-flux (retrieved 2026-11-06)

Canonical URL: https://4ort.xyz/entity/luminous-flux · 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. 2d ago · Zache-test · 2026-11-05 view diff on Wikidata ↗
    Described by source → ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation, Great Soviet Encyclopedia (1926–1947), Principles governing photometry (2nd edition) +1
    Maintained by WikiProject → WikiProject Mathematics
    Subclass of → physical quantity, photometric quantity
    Wikipedia languages → ['ar', 'bar', 'be', 'bg', 'bn', 'ca', 'cs', 'de', 'el', 'en', 'eo', 'es', 'et',
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ On focus list of Wikimedia project: WikiProject Lukion taulukot, Add WikiProject Lukion taulukot membership (P5008) with ISQ-derived-quantity criterion (P1013) and source "
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.