# 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