The Ohms Law Calc

Calculate electrical values quickly and confidently with The Ohms Law Calc.

Simply enter any two known values—voltage, current, or resistance—and the calculator instantly determines the missing value using Ohm’s Law.

Features include:

• Calculate voltage, current, or resistance
• Clear results with the formula used
• Simple, focused interface
• Helpful introduction to Ohm’s Law
• Support for light and dark appearances
• Optional one-time purchase to remove ads

Whether you’re an electrician checking a calculation, a student learning electrical theory, or an electronics enthusiast working on a project, The Ohms Law Calc makes everyday Ohm’s Law calculations fast and straightforward.

The calculations are intended as a convenient reference. Always follow appropriate electrical safety procedures and verify critical calculations before carrying out electrical work.