Re: Wire gauge calc?
An approximation is...
Gauge = -9.6975-8.625*ln(d) where d is in inches.
For your wire of 11 mils I get -9.6975-8.625*ln(0.011)=-9.6975+38.8975=29.2
or 29 gauge
To go the other way use..
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Wednesday, January 06, 1999 5:20 AM
Subject: Wire gauge calc?
>Original Poster: "David Knaack" <dknaack-at-idworld-dot-net>
>I used to have a calculation to convert AWG<->Inches, but
>I lost it, anyone know what it is?
>My wire is 11 mils in diameter, including insulation, but the
>spreadsheet wants it in gauge.