How to tell what is the diameter of my cord?

How to tell what diameter cord you have! 

1. Grab your cord, a Pencil and Ruler
2. Wrap the cord around that pencil 10 times tightly
3. Squeeze the cord together
4. Grab that ruler and measure width of the cord
5. Divide the width by 10 and will by the Diameter of your cord​

Eg: If the 10 loops measures 14mm. 14 Divide by 10 =1.4mm 
The diameter is 1.4mm