SI base unit
SI base unit
One of the seven units of measurement that define the metric system.
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Readers' pathsAug 2026 – Oct 2026
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International System of Units
Modern form of the metric system.
15%
Candela
SI unit of luminous intensity.
7.2%
Ampere
SI base unit of electric current.
5.9%
Kilogram
Metric unit of mass.
4.6%
Mole (unit)
SI unit of amount of substance.
4.3%
Metre
SI unit of length.
3.9%
2019 revision of the SI
Definition of the units kg, A, K and mol.
3.7%
International System of Quantities
System of quantities used in science and their interrelationships.
3.5%
Luminous intensity
Visible light per unit solid angle.
3.5%
Second
SI unit of time.
3.1%
Readers come from
Share of the 8,814 readers arriving from another article
International System of Units
Modern form of the metric system.
14%
2019 revision of the SI
Definition of the units kg, A, K and mol.
8.5%
Joule
SI unit of energy.
6.4%
Newton (unit)
Unit of force in physics.
3.8%
Kilogram
Metric unit of mass.
3.3%
Metre
SI unit of length.
3.2%
Unit of time
Measurement unit for time.
2.9%
Mass
Amount of matter present in an object.
2.4%
Picometre
Unit of length.
2.2%
Kelvin
SI unit of temperature.
2.2%