càrrega elemental (e)
- Nanocoulomb (nC)1,6×10⁻¹⁰
- microculombios (µC)1,6×10⁻¹³
- Millicoulomb (mC)1,6×10⁻¹⁶
- coulomb (C)1,6×10⁻¹⁹
- Kilocoulomb (kC)1,6×10⁻²²
- Megacoulomb (MC)1,6×10⁻²⁵
- Abcoulomb (abC)1,6×10⁻²⁰
- Miliampers-hora (mAh)4,45×10⁻²⁰
- Ampere-hora (Ah)4,45×10⁻²³
- Faraday (F)1,66×10⁻²⁴
- statcoulomb (statC)4,8×10⁻¹⁰
- càrrega elemental (e)1