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Re: Wire gauge calc?



Tesla List wrote:

> I used to have a calculation to convert AWG<->Inches, but
> I lost it, anyone know what it is?

There was a long discussion about this some time ago...
The exact formula is:
diameter=exp(a*AWGgauge+b) mils
where:
a=-Ln(460/5)/39;
b=(36*Ln(460)+3*Ln(5))/39;

Antonio Carlos M. de Queiroz