How Do You Calculate Square mm Of Cable?

Jul 12, 2022

Daily life is inseparable from electricity, and home decoration is inseparable from cables. When purchasing wires and cables, how to judge the square of cables? Jinhuanyu wire and cable editor teaches you how to look at a few square meters of cable.


1. Single strand line resolution mode:

① Peel off the cable sheath and use a vernier caliper to measure the hole diameter of the metal wire (indicated by D).

② Calculate the cross-section of the metal wire, and the formula is: s=3.14* (d/2) * (d/2), that is, the area formula of the circle.

③ Distinguish cable specifications according to numerical values. Common cable specifications are 0.75/1.0/1.5/2.5/4/6/10/16/25/35.


2. Multi strand line resolution mode:

The cross-sectional area of a single strand must be calculated according to the above method, and then multiplied by the total number of shares.

The above content is Hongzhou wire and cable: how do you think it is a few square meters of cable? If you want to know more about wires and cables, please visit Hongzhou cable website!