S.W.G
Standard
wire
Gauge
|
Inch
|
Mm
(millimeter)
|
Max
Current
(Ampere)
|
20°C
Temperature Available Ω
Minimum
|
20°C
Temperature
Available
Ω
Standard
|
20°C
Temperature
Available
Ω
Maximum
|
1
|
0.3000
|
7.62
|
140.37A
|
|||
2
|
0.2760
|
7.010
|
119.34A
|
|||
3
|
0.2520
|
6.400
|
99.74A
|
|||
4
|
0.2320
|
5.892
|
84.54A
|
|||
5
|
0.2120
|
5.348
|
70.58A
|
|||
6
|
0.1920
|
4.876
|
56.90A
|
|||
7
|
0.1760
|
4.470
|
48.64A
|
|||
8
|
0.1600
|
4.064
|
40.70A
|
|||
9
|
0.1440
|
3.657
|
32.86A
|
|||
10
|
0.1280
|
3.251
|
26.95A
|
|||
11
|
0.1160
|
2.946
|
21.33A
|
|||
12
|
0.1040
|
2.640
|
16.98A
|
|||
13
|
0.0920
|
2.336
|
13.29A
|
|||
14
|
0.0800
|
2.032
|
10.04A
|
0.00540
|
||
14.5
|
0.0745
|
1.900
|
9.00A
|
0.00600
|
||
15
|
0.0720
|
1.828
|
8.14A
|
0.00670
|
||
15.5
|
0.0666
|
1.700
|
7.30A
|
0.00750
|
||
16
|
0.0640
|
1.625
|
6.43A
|
0.00850
|
||
16.5
|
0.0588
|
1.500
|
5.67A
|
0.00970
|
||
17
|
0.0560
|
1.422
|
4.90A
|
0.01120
|
||
17.5
|
0.0517
|
1.320
|
4.25A
|
0.01260
|
||
18
|
0.0480
|
1.219
|
3.60A
|
0.01750
|
||
18.5
|
0.0439
|
1.120
|
3.10A
|
0.01950
|
||
19
|
0.0400
|
1.016
|
2.57A
|
0.02134
|
0.02195
|
0.02259
|
19.5
|
0.0372
|
0.950
|
2.30A
|
0.02366
|
0.02430
|
0.02494
|
20
|
0.0360
|
0.914
|
2.03A
|
0.02634
|
0.02710
|
0.02789
|
20.5
|
0.0333
|
0.850
|
1.81A
|
0.02950
|
0.03030
|
0.03110
|
21
|
0.0320
|
0.812
|
1.60A
|
0.03334
|
0.03430
|
0.03530
|
21.5
|
0.0294
|
0.750
|
1.40A
|
0.03830
|
0.03930
|
0.04030
|
22
|
0.0280
|
0.711
|
1.21A
|
0.04234
|
0.04355
|
0.04481
|
22.5
|
0.0262
|
0.670
|
1.08A
|
0.04764
|
0.04890
|
0.05016
|
23
|
0.0240
|
0.609
|
0.940A(940mA)
|
0.05927
|
0.06098
|
0.06276
|
24
|
0.0220
|
0.588
|
0.760A(760mA)
|
0.06794
|
0.07000
|
0.07215
|
24.5
|
0.0207
|
0.530
|
0.700A(700mA)
|
0.07595
|
0.07810
|
0.08025
|
25
|
0.0200
|
0.508
|
0.628A(628mA)
|
0.08534
|
0.08731
|
0.09037
|
25.5
|
0.0186
|
0.475
|
0.570A(570mA)
|
0.09474
|
0.0973
|
0.09977
|
26
|
0.0180
|
0.457
|
0.508A(508mA)
|
0.1051
|
0.1084
|
0.1118
|
27
|
0.0164
|
0.416
|
0.422A(422mA)
|
0.1177
|
0.1215
|
0.1255
|
27.5
|
0.0156
|
0.400
|
0.385A(385mA)
|
0.1132
|
0.1372
|
0.1412
|
28
|
0.0148
|
0.375
|
0.344A(344mA)
|
0.1507
|
0.1561
|
0.1617
|
28.5
|
0.0139
|
0.355
|
0.320A(320mA)
|
0.1686
|
0.1742
|
0.1798
|
29
|
0.0136
|
0.345
|
0.290A(290mA)
|
0.1689
|
0.1742
|
0.1798
|
29.5
|
0.0131
|
0.355
|
0.265A(265mA)
|
0.1903
|
0.1956
|
0.2011
|
30
|
0.0124
|
0.314
|
0.240A(240mA)
|
0.2139
|
0.2212
|
0.2289
|
31
|
0.0106
|
0.294
|
0.221A(221mA)
|
0.2355
|
0.2439
|
0.2528
|
31.5
|
0.0109
|
0.280
|
0.200A(200mA)
|
0.2170
|
0.2800
|
0.2890
|
32
|
0.0108
|
0.274
|
0.182A(182mA)
|
0.2698
|
0.2800
|
0.2907
|
33
|
0.0100
|
0.254
|
0.151A(151mA)
|
0.3374
|
0.3512
|
0.3659
|
34
|
0.0092
|
0.233
|
0.132A(132mA)
|
0.3779
|
0.3941
|
0.4113
|
34.5
|
0.0087
|
0.224
|
0.120A(120mA)
|
0.4205
|
0.4375
|
0.4545
|
35
|
0.0084
|
0.213
|
0.110A(110mA)
|
0.4709
|
0.4884
|
0.5070
|
35.5
|
0.0078
|
0.200
|
0.100A(100mA)
|
0.5298
|
0.5488
|
0.5678
|
36
|
0.0076
|
0.193
|
0.090A(90mA)
|
0.5843
|
0.6081
|
0.6333
|
36.5
|
0.0070
|
0.180
|
0.081A(81mA)
|
0.6525
|
0.6775
|
0.7025
|
37
|
0.0068
|
0.172
|
0.072A(72mA)
|
0.7272
|
0.7596
|
07272
|
37.5
|
0.0062
|
0.160
|
0.064A(64mA)
|
0.8235
|
0.8575
|
0.8915
|
38
|
0.0060
|
0.152
|
0.056A(56mA)
|
0.9298
|
0.9757
|
1.025
|
38.5
|
0.0054
|
0.140
|
0.050A(50mA)
|
1.070
|
1.120
|
1.170
|
39
|
0.0052
|
0.132
|
0.042A(42mA)
|
1.194
|
1.260
|
1.330
|
39.5
|
0.0049
|
0.125
|
0.039A(39mA)
|
1.335
|
1.405
|
1.475
|
40
|
0.0048
|
0.121
|
0.036A(36mA)
|
1.328
|
1.405
|
1.488
|
41
|
0.0044
|
0.111
|
0.030A(30mA)
|
1.646
|
1.750
|
1864
|
41.5
|
0.0041
|
0.106
|
0.027A(27mA)
|
1.810
|
1954
|
2.068
|
42
|
0.0040
|
0.101
|
0.024A(24mA)
|
2.052
|
2.195
|
2.327
|
43
|
0.0036
|
0.091
|
0.019A(19mA)
|
2.523
|
2.710
|
2.883
|
44
|
0.0032
|
0.081
|
0.016A(16mA)
|
3.180
|
3.430
|
3.667
|
45
|
0.0028
|
0.071
|
0.013A(13mA)
|
4.015
|
4.355
|
4.682
|
46
|
0.0024
|
0.060
|
0.010A(10mA)
|
5.077
|
5.531
|
5.973
|
47
|
0.0020
|
0.050
|
0.008A(8mA)
|
7.991
|
8.781
|
9.571
|
Enamelled Copper Wire Chart (Standard Wire Gauge)
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