Definition:SI Units/Base Units

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The base SI units are as follows:

SI base units
Name Unit symbol Dimension Symbol
metre $\mathrm m$ Length $l$
kilogram $\mathrm {kg}$ Mass $m$
second $\mathrm s$ Time $t$
ampere $\mathrm A$ Electric Current $I$
kelvin $\mathrm K$ Temperature $T$
candela $\mathrm {cd}$ Luminous Intensity $I_v$
mole $\mathrm {mol}$ Amount of Substance $n$

Also see