Safety in vaping starts with having a good understanding of battery limitations. If you haven’t done so already, or need a refresher, I urge you to read our article here:

Vaping battery safety part-1

If you are comfortable with your knowledge of battery safety, the next consideration is using some sort of calculator to make sure your coil builds are within that safe limits of your battery, and further, to allow you to tweak your coils to get the vaping experience you desire. There are tons of Ohm’s Law calculators, and sites like Steam Engine that will do the heavy lifting for you.

If you are happy with those, and wish to remain blissfully ignorant about what is actually behind the calculations, good for you. As long as you know how to apply the results and use an ohm meter, you will live a long, happy, and safe vaping life. But…

…if you want to pull back the curtain and see the inner workings of those calculators, read on.

There’s nothing mystical or magical about Ohm’s Law. It’s a few formulas, usually depicted inside of a triangle, and anyone can easily learn and use the formulas with any regular calculator. No special “Ohm’s Law Calculator”, no Steam Engine required.

In fact, I’m pretty sure that I learned Ohm’s Law in the very first electronics class I took after leaving high school – probably in the first day or two. It’s really that simple. The goal here is to show you the formulas behind Ohm’s Law and hopefully give you an understanding of the relationships between the different elements in a basic electronic circuit as related to vaping.

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