SI Units List

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There are seven, dimensionally independent, base SI-units and two supplementary units. All other units can be derived from the base ones. Below, you can find the list of the base SI units as well as the list of the derived units.

SI base units list

Unit	Symbol	Quantity
Meter (metre)	m	Length
Kilogram	kg	Mass
Second	s	Time
Ampere	A	Electric current
Kelvin	K	Thermodynamic temperature
Mole	mol	Amount of substance
Candela	cd	Luminous intensity
SI Supplementary Units
Radian	rad	Plane angle (2D angle)
Steradian	sr	Solid angle (3D angle)

SI Derived Units
Unit	Symbol	In SI Units	Quantity
Mechanics
Pascal	Pa	kg·m^-1·s^-2	Pressure,Stress
Joule	J	kg·m²·s^-2	Energy,Work,Heat
Watt	W	kg·m²·s^-3	Power
Newton	N	kg·m·s^-2	Force,Weight
Electromagnetism
Tesla	T	kg·s^-2·A^-1	Magnetic Field
Henry	H	kg·m²·s^-2·A^-2	Inductance
Coulomb	C	A·s	Electric Charge
Volt	V	kg·m²·s^-3·A^-1	Voltage
Farad	F	kg^-1·m^-2·s⁴·A²	Electric Capacitance
Siemens	S	kg^-1·m^-2·s³·A²	Electrical Conductance
Weber	Wb	kg·m²·s^-2·A^-1	Magnetic Flux
Ohm	Ω	kg·m²·s^-3·A^-3	Electric Resistance
Optics
Lux	lx	cd·sr·m^-2	Illuminance
Lumen	lm	cd·sr	Luminous Flux
Radioactivity
Becquerel	Bq	s^-1	Radioactivity
Gray	Gy	m²·s^-1	Absorbed Dose
Sievert	Sv	m²·s^-1	Equivalent Dose
Other
Hertz	Hz	s^-1	Frequency
Katal	kat	mol·s^-1	Catalytic Activity

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