Ohm’s Law / Watt’s Law Calculator
Interactive Ohm’s/Watt’s Law Calculator
Hey there! Welcome to my Ohm’s Law & Watt’s Law Calculator. This little tool is here to help you play around with voltage, current, resistance, and power, and see how they all connect. Whether you’re learning, teaching, or just curious about electricity, this calculator makes it easier to understand the relationships between these key values.
How it works:
Just enter any two values, pick the right units, and the calculator will figure out the rest. It even shows the formulas step by step, so you can follow along and see how the numbers come together.
See the formulas in action:
The interactive wheel is a fun way to visualize everything. Watch how each value affects the others and get a real feel for how Ohm’s Law and Watt’s Law work together.
Learn More About Ohm’s Law (and Watt’s Law!):
If you’ve ever been curious why we use E for voltage and I for current, this post might be helpful. Here you will find a video that explains the origins of the Ohm’s Law and Watt’s Law formula wheel and how all 12 formulas connect. You’ll also find a free PDF worksheet and answer key if you want a little more practice.
Basic Ohm’s Law for Electricians
A little heads-up:
This calculator is a work in progress, created as a fun pet project, and has only been tested in Firefox. It may have some quirks or bugs, and I don’t guarantee full functionality. Also, some text can overflow the wheel for larger numbers as there’s no text wrapping yet. But that’s part of the fun of experimenting!
I’d love your feedback:
If something doesn’t seem right, or you run into issues, please let me know through the contact page. Your input really helps make this tool better.
Give it a try:
Enter some values above and watch the wheel light up. It’s a simple, visual way to explore electricity in action and see how everything ties together.