The Ohms Law Calculator

A simple ohms calculator used to calculate power, voltage, resistance and current relationships using ohms law.

Incredibly simple to use, just enter any two values and receive all results instantly. Quickly switch between measurement units like Watts, kiloWatts, MegaWatts and more.

+ Want to start over? Quickly clear all fields with the clear button.

+ Built to use dark mode based on device preferences.

+ Easily share computed results with the built in share feature.

No ads or tracking any data. Just a simple, clean and lightweight ohms calculator.