Resistor Calculator

Resistor Calculator
Stripe 1:
Stripe 2:
Stripe 3 (Multiplier):
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Resistor Formula:

Resistor Ohms = (Stripe1 * 10 + Stripe2) * 10^Strip3

Resistor Definition

Our free online Resistor Calculator is an easy to use way to calculate Ohms. Simply choose the value for stripe 1, stripe 2, and stripe 3. Press the calculate buttons and that’s it! Try it out now and then be sure to check out all of our online calculators! You might also be interested in our LED Resistor Calculator.

How to Calculate Resistor

Let's be honest - sometimes the best resistor calculator is the one that is easy to use and doesn't require us to even know what the resistor formula is in the first place! But if you want to know the exact formula for calculating resistor then please check out the "Formula" box above.

Add a Free Resistor Calculator Widget to Your Site!

You can get a free online resistor calculator for your website and you don't even have to download the resistor calculator - you can just copy and paste! The resistor calculator exactly as you see it above is 100% free for you to use. If you want to customize the colors, size, and more to better fit your site, then pricing starts at just $29.99 for a one time purchase. Click the "Customize" button above to learn more!