International System of Units

E31565

The International System of Units is the globally accepted standard for measurement, defining a coherent set of base and derived units used in science, industry, and everyday life.

All labels observed (9)

How this entity was disambiguated

Statements (86)

Predicate Object
instanceOf international standard
measurement standard
system of units
abbreviation SI
adoptedBy United Nations member states
alsoKnownAs SI system
appliesTo physical quantities
basedOn metric system
baseQuantity amount of substance
electric current
length
luminous intensity
mass
thermodynamic temperature
time
coordinatedBy International Bureau of Weights and Measures
countryOfOrigin France
definesConstant Avogadro constant
Boltzmann constant
Planck constant
cesium-133 hyperfine transition frequency
elementary charge
luminous efficacy of monochromatic radiation of frequency 540 THz
speed of light in vacuum
definesPrefix atto
exa
femto
giga
kilo
mega
micro
milli
nano
peta
pico
quecto
quetta
ronna
ronto
tera
yocto
yotta
zepto
zetta
definesUnit becquerel
coulomb
farad
gray
henry
hertz
joule
katal
lumen
lux
newton
ohm
pascal
sievert
tesla
volt
watt
weber
establishedYear 1960
fullName Système international d’unités
governingBody General Conference on Weights and Measures
International Committee for Weights and Measures
hasBaseUnit ampere
candela
kelvin
kilogram
metre
mole
second
predecessor centimetre–gram–second system of units
metre–kilogram–second system of units
primaryPurpose standardization of measurements
property coherent system of units
decimal-based
redefinitionYear 2019
scope global
shortName SI
standardizedBy CGPM resolutions
usedIn engineering
everyday life
industry
science

How these facts were elicited

Referenced by (47)

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

Avogadro constant isPartOf International System of Units
International Atomic Time definedBy International System of Units
Gaussian units comparedTo SI units
linked to: International System of Units
International System of Units fullName Système international d’unités
linked to: International System of Units
International System of Units alsoKnownAs SI system
linked to: International System of Units
International Bureau of Weights and Measures maintains International System of Units
International Bureau of Weights and Measures maintains SI base units
linked to: International System of Units
k_B definedBy International System of Units
United States customary units coexistsWith International System of Units
Faraday constant isConstantIn SI system of units
linked to: International System of Units
farad system International System of Units
Heaviside–Lorentz units contrastWith SI units
linked to: International System of Units
hertz system International System of Units
TAI standardizedBy International System of Units
SI second system International System of Units
CIPM usesSystem International System of Units
ħ belongsTo International System of Units (SI)
subject linked to: h-bar
linked to: International System of Units
newton systemOfUnits International System of Units
ampere partOfSystem International System of Units
ampere partOfSystem International System of Units
von Klitzing constant isPartOf International System of Units
SI fullName International System of Units
kelvin partOf International System of Units
coulomb partOf International System of Units
sievert systemOfUnits International System of Units
becquerel systemOfUnits International System of Units
CGPM resolutions concerns International System of Units
CGPM resolutions relatedTo International System of Units
UCUM relatedTo International System of Units
Metre Convention relatedTo International System of Units
General Conference on Weights and Measures responsibleFor International System of Units
International Committee for Weights and Measures partOf International System of Units governance
linked to: International System of Units
International Committee for Weights and Measures oversees International System of Units
Measurement Canada usesStandard International System of Units
World Metrology Day 2019 hasTheme The International System of Units – Fundamentally better
linked to: International System of Units
World Metrology Day 2019 relatedTo International System of Units
25th General Conference on Weights and Measures mainSubject International System of Units
25th General Conference on Weights and Measures usesSystem International System of Units
27th General Conference on Weights and Measures appliesTo International System of Units
27th General Conference on Weights and Measures usesFramework International System of Units
siunitx followsStandard International System of Units (SI)
linked to: International System of Units
Bq systemOfUnits International System of Units
volt partOf International System of Units
subject linked to: Volta
Swiss Federal Institute of Metrology appliesStandard International System of Units
British Imperial units replacedBy International System of Units
Larmor formula unitSystem SI units
linked to: International System of Units