Avogadro constant
= Avogadro constant
{c}
{title2=$N_{\mathrm A}=6.02214076\times10^{23}\,\mathrm{mol}^{-1}$}
{wiki}
The Avogadro constant converts <amount of substance> into a <dimensionless> entity count: $N=nN_{\mathrm A}$. Its value is exact under the <SI> definition of the <mole>. https://www.bipm.org/en/si-base-units/mole[BIPM, exact Avogadro constant]{ref}