# Copper cable current Gauge calculation

I want to calculate theoretically the current carrying capacity of a cable. I have 24 Awg cable, which is having 8 strands: the overall dimension of the cable is 1.27mm and each strands dia 0.15 mm approximately. What I need is a relation, an equation which enables me to calculate its current carrying capacity.

Since I dont have datasheet, can someone give me an equation for calculating it, or any chart where I could see relationship between strands characteristics and current carried?

• How will you cool the wire? – analogsystemsrf Dec 13 '18 at 15:21

The cross section of your strands can be easily calculated with $$A_{Strand}=\left(\frac{d}{2}\right)^2\pi=\left(\frac{0.15}{2}\right)^2\pi=0.017mm^2$$
and the total cross section is $$A_{total}=N\cdot A_{Strand}=8\cdot 0.017=0.141mm²$$