Units of Electricity

6 units of electricity in the database, across 2 measurement systems, each with its exact or best-known SI value.

UnitSymbolQuantityValue in SI
AmpereAElectric currentBase unit; e = 1.602176634 × 10⁻¹⁹ C exactly
CoulombCElectric charge1 C = 1 A·s
VoltVElectric potential1 V = 1 W/A = 1 kg·m²·s⁻³·A⁻¹
OhmΩElectrical resistance1 Ω = 1 V/A = 1 kg·m²·s⁻³·A⁻²
SiemensSElectrical conductance1 S = 1 Ω⁻¹ = 1 kg⁻¹·m⁻²·s³·A²
FaradFCapacitance1 F = 1 C/V = 1 kg⁻¹·m⁻²·s⁴·A²