Definition:SI Units/Base Units

Definition
The base SI units are as follows:


 * metre
 * $\mathrm m$
 * $\mathsf L$: Length
 * $l$


 * kilogram
 * $\mathrm {kg}$
 * $\mathsf M$: Mass
 * $m$


 * second
 * $\mathrm s$
 * $\mathsf T$: Time
 * $t$


 * ampere
 * $\mathrm A$
 * $\mathsf I$: Electric Current
 * $I$


 * kelvin
 * $\mathrm K$
 * $\Theta$: Temperature
 * $T$


 * candela
 * $\mathrm {cd}$
 * $\mathsf J$: Luminous Intensity
 * $I_v$


 * mole
 * $\mathrm {mol}$
 * $\mathsf N$: Amount of Substance
 * $n$

Also see

 * Definition:Metric Scaling Prefixes