|| -
|| (4π)<sup>−1</sup>
|-
! electric charge
|| ''Q''
|style="text-align:left;"| [https://en.wikipedia.org/wiki/Coulomb coulomb]
|| C
|| A·s
|style="text-align:left;"| [https://en.wikipedia.org/wiki/Abcoulomb abcoulomb]
|| abC
|| abA·s
|| 10<sup>−1</sup>
|-
! electric current