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  Wire Gauges List

Wire Gauge
Nominal Dia.
Conductor Sectional Area
AWG
SWG
mm
mil
sq.mm
sq.mil
18
1.219
48.0
1.168
1810.0
17
1.151
45.3
1.040
1612
18
1.024
40.3
0.8233
1276
19
1.016
40.0
0.8110
1257
20
0.914
36.0
0.6568
1018
19
0.912
35.9
0.6529
1012
20
21
0.813
32.0
0.5189
804.2
21
0.724
28.5
0.4116
637.9
22
0.711
28.0
0.3973
615.8
22
0.643
25.3
0.3243
520.7
23
0.610
24.0
0.2919
452.4
23
0.574
22.6
0.2589
401.2
24
0.559
22.0
0.2452
380.1
24
0.511
20.1
0.2047
317.3
25
0.508
20.0
0.2027
314.2
26
0.457
18.0
0.1642
254.5
25
0.455
17.9
0.1624
251.7
27
0.417
16.4
0.1363
211.2
26
0.404
15.9
0.1281
198.6
28
0.376
14.8
0.1110
172.0
27
0.361
14.2
0.1022
158.4
29
0.345
13.6
0.09375
145.3
28
0.320
12.6
0.08046
124.7
30
0.315
12.4
0.07794
120.8
31
0.295
11.6
0.06820
105.7
29
0.287
11.3
0.06471
100.3
32
0.274
10.8
0.05911
91.61
30
33
0.254
10.0
0.05067
78.54
34
0.234
9.2
0.04289
66.48
31
0.226
8.9
0.04014
62.21
35
0.213
8.4
0.03576
55.42
32
0.203
8.0
0.03243
50.27
36
0.193
7.6
0.02927
45.36
33
0.180
7.1
0.02554
39.59
37
0.173
6.8
0.023430
36.32
34
0.160
6.3
0.020110
31.17
38
0.152
6.0
0.018240
28.27
35
0.142
5.6
0.015890
24.63
39
0.132
5.2
0.013700
21.24
36
0.127
5.0
0.012670
19.64
40
0.122
4.8
0.011680
18.10
37
0.114
4.5
0.010260
15.90
41
0.112
4.4
0.009810
15.21
38
42
0.102
4.0
0.008110
12.57
43
0.0914
3.6
0.006567
10.18
39
0.0889
3.5
0.006207
9.621
44
0.0813
3.2
0.005189
8.042
40
0.0787
3.1
0.0048690
7.548
41
45
0.0711
2.8
0.0039730
6.158
42
0.0635
2.5
0.0031670
4.909
46
0.0610
2.4
0.0029190
4.524
43
0.0599
2.2
0.0024520
3.801
44
47
0.0508
2.0
0.0020270
3.142
45
0.0447
1.76
0.0015690
2.427
48
0.0406
1.60
0.0012970
2.011
46
0.0399
1.57
0.0012490
1.932
47
0.0356
1.40
0.0009931
1.539
48
0.0315
1.24
0.0007791
1.207
49
0.0305
1.20
0.0007296
1.131
49
0.0282
1.11
0.0006241
0.966
50
0.0254
1.00
0.0005067
0.7854
50
0.0252
0.99
0.0004968
0.7697
AWG=American Wire Gauge. SWG=British Leagal Standard Wire Gauge.

 
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