Template:Base quantities and count

Base quantity	Symbol for quantity	Symbol for dimension	Name of SI unit	Symbol for SI unit
length	l	L	meter	m
mass	m	M	kilogram	kg
time	t	T	second	s
electric current	I	I	ampere	A
thermodynamic temperature	T	Θ	kelvin	K
amount of substance *	n	N	mole	mol
count *,§	N	C	counting unit	x
luminous intensity	Iv	J	candela	cd

^* For the quantities n and N, the entities X have to be specified in the text or indicated by a subscript or in parentheses: n_X; N_X.

^§ 'Count' is synonymous with 'number of entities'; the name, symbol and unit are not included in the SI as a base quantity or base unit.