Template:Keywords: SI base units

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Base quantities, entity and count / SI base units

Quantity name	Symbol	Unit name	Symbol	Comment
entity	XE	counting unit	[x]	XE, XB; [x] not in SI
count	NE	counting unit	[x]	NE, NB; [x] not in SI
amount of substance	nE	mole	[mol]	nE, nB
electric current	I	ampere	[A]	A = C·s-1
time	t	second	[s]
length	l	meter	[m]	SI: metre
mass	m	kilogram	[kg]
thermodynamic temperature	T	kelvin	[K]
luminous intensity	IV	candela	[cd]

Fundamental relationships

» Avogadro constant

» Boltzmann constant

» elementary charge

» Faraday constant

» gas constant

SI and related concepts

» International System of Units

» International Union of Pure and Applied Chemistry, IUPAC

» entity

» quantity

» dimension

» format

» motive unit