AWG TO MM2 AND MM2 TO AWG CONVERSION TABLES

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For wire conductor size we have AWG (which is American Wiring Guide) and metric standarts (SI). For cable size you need to have a look at the cable manufacturers’ catalogues.

Here you may have the table for conversion between these tables;

AWGSI (mm^2)
60170.30
50 135.10
40 107
30 85.0
20 67.4
10 53.5
142.4
233.6
326.7
421.1
516.8
613.3
710.5
88.36
96.63
105.26
114.17
123.31
132.62
142.08
151.65
161.31
171.04
180.823
190.653
200.518
210.410
220.326
230.258
240.205
250.162
260.129
270.102
280.0810
290.0642
300.0509
310.0404
320.0320
330.0254
340.0201
350.0160
360.0127
370.0100
380.00797
390.00632
400.00501

And from mm^2 to AWG we don’t have a directly conversion since AWG don’t have something like 30.5 or 10.2, but we can estimate how near they are to each other for example taking AWG20 as 0.5 mm^2 does not seem wrong. According to those estimations we can have a chart like this;

SI (mm^2) AWG DEVIATION (mm^2)DEVIATION (%)
0,520
+0,0183,6
0,7518+0,0739,73
1 17+0,044
1,515+0,151 0
2,513+0,124,8
411+0,174,25
69+0,6310,5
107+0,55
165+0,85
253+1,76,8
35*21,4*4*
5010 +3,57
70*20-2,6*3,71*
95\frac {4}{0}+1211

* These ones may be a little smaller size or deviation from the original size may be higher so be careful while choosing these ones. These are not direct or near conversions.

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