Ohm's Law Calculator

An Easy to use tool to help you calculate either the resistance, voltage, current or power with just any two parameters using Ohm's law

* Just enter any 2 of these values; Voltage, Current, Resistance, Power

* Select from these units:

kV, V, mV, μV
A, mA, μA
Ω, kΩ, MΩ, GΩ
mW, W, kW