Ohm's Law (Electrical Power)

`P = R * I^2`
Ohm's law calculator. Relationship between electrical Power, Resistance and Current.
Enter 'x' in the field to be calculated.

This tool is a calculator of Ohm's law in its "power" version.

`P = R * I^2`

P: electric power in watt
R: resistance in ohm
I: electric current intensity in ampere

See also

Ohm's law (voltage)
Convert power units
Convert electrical resistance units
Convert electric current units
Electricity calculators
Physics Calculators