Ohm's Law Resistance Calculator - Free, Instant, In Your Browser
Enter voltage (V) and current (A) to calculate resistance using Ohm's Law.
How to use Ohms Law Resistance Calculator
- 1Enter the required date(s) and details above.
- 2Click Calculate - Ohms Law Resistance Calculator runs instantly, right in your browser.
- 3Read your result below.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What's the formula?
R = voltage ÷ current.
Is my data sent to a server?
No - everything runs entirely in your browser with JavaScript. Nothing is uploaded.