SI base unit
The SI base units are the standard units of measurement defined by the International System of Units (SI) for the seven base quantities of what is now known as the International System of Quantities: they are notably a basic set from which all other SI units can be derived. The units and their physical quantities are the second for time, the metre (sometimes spelled meter) for length or distance, the kilogram for mass, the ampere for electric current, the kelvin for thermodynamic temperature, the mole for amount of substance, and the candela for luminous intensity. The SI base units are a fundamental part of modern metrology, and thus part of the foundation of modern science and technology.
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- enThe SI base units are the standard units of measurement defined by the International System of Units (SI) for the seven base quantities of what is now known as the International System of Quantities: they are notably a basic set from which all other SI units can be derived. The units and their physical quantities are the second for time, the metre (sometimes spelled meter) for length or distance, the kilogram for mass, the ampere for electric current, the kelvin for thermodynamic temperature, the mole for amount of substance, and the candela for luminous intensity. The SI base units are a fundamental part of modern metrology, and thus part of the foundation of modern science and technology.
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- Has abstract
- enThe SI base units are the standard units of measurement defined by the International System of Units (SI) for the seven base quantities of what is now known as the International System of Quantities: they are notably a basic set from which all other SI units can be derived. The units and their physical quantities are the second for time, the metre (sometimes spelled meter) for length or distance, the kilogram for mass, the ampere for electric current, the kelvin for thermodynamic temperature, the mole for amount of substance, and the candela for luminous intensity. The SI base units are a fundamental part of modern metrology, and thus part of the foundation of modern science and technology. The SI base units form a set of mutually independent dimensions as required by dimensional analysis commonly employed in science and technology. The names and symbols of SI base units are written in lowercase, except the symbols of those named after a person, which are written with an initial capital letter. For example, the metre has the symbol m, but the kelvin has symbol K, because it is named after Lord Kelvin and the ampere with symbol A is named after André-Marie Ampère. A number of other units, such as the litre, astronomical unit, and electronvolt, are not formally part of the SI, but are accepted for use with SI.
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- SI base unit
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- enSI base unit
- Link from a Wikipage to an external page
- physics.nist.gov/cuu/Units/current.html
- www.bipm.org/en/CGPM/db/14/3/
- www.npl.co.uk/reference/measurement-units/si-base-units/the-mole
- Link from a Wikipage to another Wikipage
- 2005–2019 definitions of the SI base units
- 2019 redefinition of the SI base units
- Absolute zero
- Amount of substance
- Ampere
- André-Marie Ampère
- Astronomical unit
- Atomic weight
- Avogadro constant
- Avogadro number
- Base quantities
- Boltzmann constant
- Caesium standard
- Candela
- Candlepower
- Category:Dimensional analysis
- Category:SI base quantities
- Category:SI base units
- Category:SI units
- Celsius scale
- Day
- Dimensional analysis
- Distance
- Earth
- Electric current
- Electron charge
- Electronvolt
- Elementary charge
- File:SI base units.svg
- File:Unit relations in the new SI.svg
- File:Unit relations in the old SI.svg
- General Conference on Weights and Measures
- Henry (unit)
- International Bureau of Weights and Measures
- International Committee for Weights and Measures
- International prototype kilogram
- International System of Quantities
- International System of Units
- International vocabulary of metrology
- Iridium
- Kelvin
- Kilogram
- Length
- Litre
- Lumen (unit)
- Luminous efficacy
- Luminous intensity
- Mass
- Mean solar day
- Metre
- Metre Convention
- Metric prefix
- Metrology
- Molar mass constant
- Mole (unit)
- Molecular weight
- New SI definitions
- Newton (unit)
- Non-SI units mentioned in the SI
- Noon
- Paris meridian
- Physical constant
- Planck constant
- Platinum
- Second
- SI derived unit
- Silver nitrate
- SI units
- Speed of light
- Speed of light in vacuum
- Steradian
- Tesla (unit)
- Thermodynamic temperature
- Time
- Units of measurement
- Vacuum permeability
- Volt
- Water
- Weber (unit)
- William Thomson, 1st Baron Kelvin
- SameAs
- 27iwc
- Grundlæggende SI-enheder
- Jednostka podstawowa układu SI
- m.06nxc
- Osnovna enota SI
- Osnovne jedinice SI sistema
- Osnovne SI jedinice
- Q223662
- Satuan pokok SI
- SI-alapegység
- SI baseenhet
- SI base unit
- SI-basiseenheid
- SI-Basiseinheit
- SI-enhet
- SI grunneining
- SI osnovne jedinice
- SI pamatvienības
- SI-perusyksiköt
- SI-süsteemi põhiühikud
- SI基本単位
- SI 기본 단위
- Unanennoù diazez ar sistem etrebroadel
- Unedau sylfaenol SI
- Unidades básicas del Sistema Internacional
- Unidades básicas do SI
- Unidaes básiques del Sistema Internacional
- Unit asas SI
- Unitat bàsica del Sistema Internacional
- Unitate de base del SI
- Unités de base du Système international
- Θεμελιώδεις μονάδες μέτρησης του Διεθνούς Συστήματος Μονάδων
- Асноўныя адзінкі СІ
- Основне јединице СИ система
- Основни SI-единици
- Основные единицы СИ
- Основні одиниці SI
- СИ тĕп пĕрчисем
- ՄՀ հիմնական միավորներ
- ایس آئی بنیادی اکائیاں
- وحدة دولية أساسية
- یکای اصلی اسآی
- मूल इकाइयाँ
- ਐਸ.ਆਈ. ਮੂਲ ਇਕਾਈਆਂ
- അന്താരാഷ്ട്ര ഏകകവ്യവസ്ഥ - മൗലിക ഏകകങ്ങൾ
- หน่วยฐานเอสไอ
- 国际单位制基本单位
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- Category:Dimensional analysis
- Category:SI base quantities
- Category:SI base units
- Category:SI units
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