kelvin

E167630

Kelvin is the SI base unit of thermodynamic temperature, used to measure absolute temperature from absolute zero upward.

All labels observed (3)

Label Occurrences
Kelvin 10
kelvin canonical 5
Kelvin temperature scale 3

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf SI base unit
thermodynamic temperature unit
unit of temperature
absoluteZeroInCelsius −273.15 °C
absoluteZeroInFahrenheit −459.67 °F
absoluteZeroValue 0 K
belongsToSystem metric system
BoltzmannConstantExactValue 1.380649×10⁻²³ J⋅K⁻¹
capitalizationRule unit name lowercase, symbol uppercase
category SI base units
units of temperature
definedByConstant Boltzmann constant
definitionMethod fixed numerical value of Boltzmann constant
dimensionSymbol Θ
exampleBoilingPointOfWater approximately 373.15 K at 1 atm
exampleFreezingPointOfWater approximately 273.15 K at 1 atm
hasISO80000Code K
hasNISTDesignation K
hasSIBaseUnitStatusSince 1960
isAbsoluteTemperatureScale true
isBaseForDerivedUnit degree Rankine (via scale factor)
isCoherentSIUnit true
isSIBaseUnit true
measurementQuantity temperature
namedAfter William Thomson, 1st Baron Kelvin
linked to: Lord Kelvin
notDegreeSymbol no degree sign used
offsetFromCelsius +273.15
offsetFromFahrenheit +459.67 (with scale factor)
partOf International System of Units
previousDefinitionBasedOn triple point of water
redefinedOn 2019-05-20
scaleType absolute scale
SIBaseQuantity thermodynamic temperature
spelling kelvin
symbol K
triplePointOfWaterTemperature 273.16 K
unitIntervalEquals 1 degree Celsius interval
unitSystem SI
usedFor astronomy
engineering
physics
temperature intervals
thermodynamics
usedInBlackBodyRadiation yes
usedInColorTemperature yes
usedInCryogenics yes
usedInPlasmaPhysics yes
zeroPoint absolute zero

How these facts were elicited

Referenced by (18)

Full triples — surface form annotated when it differs from this entity's canonical label.

Lord Kelvin knownFor Kelvin temperature scale
linked to: kelvin
Kelvin Sampson givenName Kelvin
linked to: kelvin
ampere isBaseUnitAlongWith kelvin
kelvin spelling kelvin
Baron Kelvin associatedConcept Kelvin temperature scale
linked to: kelvin
Carnot efficiency temperatureScale Kelvin
linked to: kelvin
Kelvin Harrison Jr. givenName Kelvin
linked to: kelvin
Fahrenheit usedAlongside Kelvin
linked to: kelvin
Charles's law temperatureScale Kelvin
linked to: kelvin
combined gas law temperatureUnitRequirement Kelvin
linked to: kelvin
Kelvin Herrera givenName Kelvin
linked to: kelvin
Celsius relatedTo Kelvin
linked to: kelvin
Celsius baseUnitInSI kelvin
Krafft point measuredIn Kelvin
linked to: kelvin
zeroth law of thermodynamics basisFor Kelvin temperature scale
linked to: kelvin