International System of Units

E31565

international standard measurement standard system of units

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.

Aliases (4)

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 →

Referenced by (10)

Subject (surface form when different)	Predicate
International Atomic Time → k_B →	definedBy
International Bureau of Weights and Measures → International Bureau of Weights and Measures ("SI base units") →	maintains
International System of Units ("SI system") →	alsoKnownAs
United States customary units →	coexistsWith
Gaussian units ("SI units") →	comparedTo
International System of Units ("Système international d’unités") →	fullName
Avogadro constant →	isPartOf
CODATA recommended values of the fundamental physical constants →	relatedTo