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wire gauge cross reference
Modified On : 10/18/2006
Category : General Interest
I run in to alot of European wire gauge sizes so I have put together a cross reference sheet as more of a general rule of thumb.
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| Article Submitted By: | | SATMOJ |
| SATMOJ |
NJ (USA)
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Wire Gauge Cross Reference
(Stranded Wire Only) |
|
AWG
American
Wire Gauge |
MCM
|
Approximate Diameter
|
Ohm/Mft
(copper only) |
Amps
(Free Air)
* |
MM2
|
|
20
|
|
|
|
|
0.52
|
|
18
|
1620
|
0.040in/1mm
|
7.77
|
|
1.0
|
|
16
|
2580
|
0.051in/1.25mm
|
4.89
|
|
1.5
|
|
14
|
4110
|
0.064in/1.6mm
|
3.07
|
25
|
2.5
|
|
12
|
6530
|
0.081in/2mm
|
1.93
|
30
|
4.0
|
|
10
|
10380
|
0.102in/2.5mm
|
1.21
|
40
|
6.0
|
|
8
|
16510
|
0.128in/3.25mm
|
0.764
|
60
|
10.0
|
|
6
|
26240
|
0.184in/4.6mm
|
0.491
|
80
|
16.0
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4
|
41740
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0.232in/5.9mm
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0.308
|
105
|
25.0
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2
|
66360
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0.292in/7.4mm
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0.194
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140
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35.0
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1
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83690
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0.332in/8.4mm
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0.154
|
165
|
40.0
|
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1/0
|
105600
|
0.373in/9.5mm
|
0.122
|
195
|
53.5
|
|
2/0
|
133100
|
0.419in/10.6mm
|
0.0967
|
225
|
70.0
|
|
3/0
|
167800
|
0.470in/12mm
|
0.0766
|
260
|
95.0
|
|
4/0
|
211600
|
0.528in/13.4mm
|
0.0608
|
300
|
120.00
|
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300 MCM
|
300,000
|
0.630in/16mm
|
0.0429
|
375
|
150
|
|
350 MCM
|
350,000
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0.681in/17.25mm
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0.0367
|
420
|
185
|
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500 MCM
|
500,000
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0.813in/20.65mm
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0.0258
|
515
|
240
|
|
600 MCM
|
600,000
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0.893in/22.68mm
|
0.0214
|
575
|
300
|
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750 MCM
|
750,000
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0.998in/25mm
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0.0171
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655
|
400
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1000 MCM
|
1,000,000
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1.150in/29.25mm
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0.0129
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780
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500
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*Based on single insulated conductor in free air at 30 degree temperature rise.
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