
An yeqi
Science E-portfolio

SI units

​​SI base units
Unit name Unit symbol Quantity name Quantity symbol Dimension symbol
metre m length l (a lowercase L) L
kilogram kg mass m M
second s time t T
ampere A electric current I (an uppercase i) I
kelvin K thermodynamic temperature T Θ
candela cd luminous intensity Iv J
mole mol amount of substance n N


