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unit:W-PER-M2-SR

http://qudt.org/vocab/unit/W-PER-M2-SR
Types: qudt:DerivedUnit, qudt:Unit
PredicateObject
rdf:type
dcterms:description \(\textit{Watt per steradian per square metre}\) is the SI unit of radiance (\(W·sr^{-1}·m^{-2}\)), while that of spectral radiance in frequency is the watt per steradian per square metre per hertz (\(W·sr^{-1}·m^{-2}·Hz^{-1}\)) and that of spectral radiance in wavelength is the watt per steradian per square metre, per metre (\(W·sr^{-1}·m^{-3}\)), commonly the watt per steradian per square metre per nanometre (\(W·sr^{-1}·m^{-2}·nm^{-1}\)). It has a dimension of \(ML^{-4}T^{-3}\) where \(M\) is mass, \(L\) is length, and \(T\) is time. This unit is the standard SI unit in this category."
qudt:applicableSystem
qudt:conversionMultiplier 1.0
qudt:conversionMultiplierSN 1.0E0
qudt:definedUnitOfSystem sou:SI
qudt:derivedCoherentUnitOfSystem sou:SI
qudt:expression \(W/(m^2.sr)\)
qudt:hasDimensionVector qkdv:A0E0L0I0M1H0T-3D0
qudt:hasFactorUnit
rdf:type qudt:FactorUnit
qudt:exponent -1
qudt:hasUnit unit:SR
qudt:hasFactorUnit
rdf:type qudt:FactorUnit
qudt:exponent 1
qudt:hasUnit unit:W
qudt:hasFactorUnit
rdf:type qudt:FactorUnit
qudt:exponent -2
qudt:hasUnit unit:M
qudt:hasQuantityKind quantitykind:Radiance
qudt:iec61360Code “0112/2///62720#UAA315”
qudt:informativeReference
qudt:symbol “W/(m²·sr)”
qudt:ucumCode “W.m-2.sr-1”^^qudt:UCUMcs
qudt:uneceCommonCode “D58”
qudt:wikidataMatch http://www.wikidata.org/entity/Q69429226
rdfs:isDefinedBy http://qudt.org/3.1.11/vocab/unit
rdfs:label
Show 18 values
  • “Vatio por Metro Cuadrado Estereorradián”@es
  • “Wat na Metr Kwadratowy Steradian”@pl
  • “Watt na Kvadratni Meter Steradian”@sl
  • “Watt na Čtvereční Metr Steradián”@cs
  • “Watt par Mètre Carré Stéradian”@fr
  • “Watt pe Metru Pătrat Steradian”@ro
  • “Watt per Meter Persegi Steradian”@ms
  • “Watt per Metrekare Steradyan”@tr
  • “Watt per Metro Quadrato Steradiante”@it
  • “Watt per Square Meter Steradian”@en-US
  • “Watt per Square Metre Steradian”
  • “Watt per Square Metre Steradian”@en
  • “Watt por Metro Quadrado Esterradiano”@pt
  • “Watt pro Quadratmeter Steradiant”@de
  • “Wattium per Metrum Quadratum Steradian”@la
  • “Βατ ανά Τετραγωνικό Μέτρο Στερακτίνιο”@el
  • “Ват на Квадратен Метър Стерадиан”@bg
  • “Ватт на Квадратный Метр Стерадиан”@ru
Generated 2026-02-20T09:46:38.851-05:00