Diameter of an American Wire Gauge
12-24-2018, 01:58 AM
Post: #1
 Eddie W. Shore Senior Member Posts: 1,134 Joined: Dec 2013
Diameter of an American Wire Gauge
Blog post: https://edspi31415.blogspot.com/2018/12/...rican.html

Introduction

The following formula calculates the diameter of an American Wire Gauge:

d = 460 / (92^((3 + g)/39)) (in mils)

where g is the wire number (integer).

Define g as:
Wire number: 0000000, g = -6
Wire number: 000000, g = -5
Wire number: 00000, g = -4
Wire number: 0000, g = -3
Wire number: 000, g = -2
Wire number: 00, g = -1
Wire number: 0, g = 0
Any other wire number, enter g as the wire number (1, 2, 3, 4, etc.)

Conversion factor: 1000 mils = 1 in

HP Prime Program Function AWB

Given the wire number, the function AWB returns the diameter of the wire in inches.
Code:
 EXPORT AWG(g) BEGIN // American Wire Gauge Diameter Function // 2018-12-23 EWS // in inches RETURN (460/(92^((3+g)/39)))/1000; END;
Examples:

g = -2 (000); d ≈ 0.4096 in
g = 3; d ≈ 0.2294 in
g = 6; d ≈ 0.1620 in

Sources:

Ball, John A. Algorithms For RPN Calculators John Wiley & Sons: New York 1978. ISBN 0-471-03070-8

Glover, Thomas J. Pocket Ref 4th Edition Sequoia Publishing, Inc.: Littleton, CO 2012. ISBN 978-1-885071-62-0
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