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Wire Gauge Chart
SWG/AWG Wire Gauge Chart
Wire Number (Gauge) |
Standard Wire Gauge (SWG) |
American Wire Gauge (AWG) |
| gauge |
in. |
equivalent in mm |
in. |
equivalent in mm |
| 0000000 (7/0) |
0.5000 |
12.700 |
- |
- |
| 000000 (6/0) |
0.4640 |
11.786 |
0.580000 |
14.7320 |
| 00000 (5/0) |
0.4320 |
10.973 |
0.516500 |
13.1191 |
| 0000 (4/0) |
0.4000 |
10.160 |
0.460000 |
11.6840 |
| 000 (3/0) |
0.3720 |
9.449 |
0.409642 |
10.4049 |
| 00 (2/0) |
0.3480 |
8.839 |
0.364796 |
9.2658 |
| 0 (1/0) |
0.3240 |
8.230 |
0.324861 |
8.2515 |
| 1 |
0.3000 |
7.620 |
0.289297 |
7.3481 |
| 2 |
0.2760 |
7.010 |
0.257627 |
6.5437 |
| 3 |
0.2520 |
6.401 |
0.229423 |
5.8273 |
| 4 |
0.2320 |
5.893 |
0.2043 |
5.1892 |
| 5 |
0.2120 |
5.385 |
0.1819 |
4.6203 |
| 6 |
0.1920 |
4.877 |
0.1620 |
4.1148 |
| 7 |
0.1760 |
4.470 |
0.1443 |
3.6652 |
| 8 |
0.1600 |
4.064 |
0.1285 |
3.2639 |
| 9 |
0.1440 |
3.658 |
0.1144 |
2.9058 |
| 10 |
0.1280 |
3.251 |
0.1019 |
2.5883 |
| 11 |
0.1160 |
2.946 |
0.0907 |
2.3038 |
| 12 |
0.1040 |
2.642 |
0.0808 |
2.0523 |
| 13 |
0.0920 |
2.337 |
0.0720 |
1.8288 |
| 14 |
0.0800 |
2.032 |
0.0641 |
1.6281 |
| 15 |
0.0720 |
1.829 |
0.0571 |
1.4503 |
| 16 |
0.0640 |
1.626 |
0.0508 |
1.2903 |
| 17 |
0.0560 |
1.422 |
0.0453 |
1.1506 |
| 18 |
0.0480 |
1.219 |
0.0403 |
1.0236 |
| 19 |
0.0400 |
1.016 |
0.0359 |
0.9119 |
| 20 |
0.0360 |
0.914 |
0.0320 |
0.8128 |
| 21 |
0.0320 |
0.813 |
0.0285 |
0.7239 |
| 22 |
0.0280 |
0.711 |
0.0253 |
0.6426 |
| 23 |
0.0240 |
0.610 |
0.0226 |
0.5740 |
| 24 |
0.0220 |
0.599 |
0.0201 |
0.5105 |
| 25 |
0.0200 |
0.508 |
0.0179 |
0.4547 |
| 26 |
0.0180 |
0.457 |
0.0159 |
0.4039 |
| 27 |
0.0164 |
0.417 |
0.0142 |
0.3607 |
| 28 |
0.0148 |
0.376 |
0.0126 |
0.3200 |
| 29 |
0.0136 |
0.345 |
0.0113 |
0.2870 |
| 30 |
0.0124 |
0.315 |
0.0100 |
0.2540 |
| 31 |
0.0116 |
0.295 |
0.0089 |
0.2261 |
| 32 |
0.0108 |
0.274 |
0.0080 |
0.2032 |
| 33 |
0.0100 |
0.254 |
0.0071 |
0.1803 |
| 34 |
0.0092 |
0.234 |
0.0063 |
0.1600 |
| 35 |
0.0084 |
0.213 |
0.0056 |
0.1422 |
| 36 |
0.0076 |
0.193 |
0.0050 |
0.1270 |
| 37 |
0.0068 |
0.173 |
0.0045 |
0.1143 |
| 38 |
0.0060 |
0.152 |
0.0040 |
0.1016 |
| 39 |
0.0052 |
0.132 |
0.0035 |
0.0889 |
| 40 |
0.0048 |
0.122 |
0.0031 |
0.0787 |
| 41 |
0.0044 |
0.112 |
0.0028 |
0.0711 |
| 42 |
0.0040 |
0.102 |
0.0025 |
0.0635 |
| 43 |
0.0036 |
0.0914 |
0.0022 |
0.0559 |
| 44 |
0.0032 |
0.0813 |
0.0020 |
0.0508 |
| 45 |
0.0028 |
0.0711 |
0.0018 |
0.0457 |
| 46 |
0.0024 |
0.0610 |
0.0016 |
0.0406 |
| 47 |
0.0020 |
0.0508 |
0.0014 |
0.0356 |
| 48 |
0.0016 |
0.0406 |
0.0012 |
0.0305 |
| 49 |
0.0012 |
0.0305 |
0.0011 |
0.0279 |
| 50 |
0.0010 |
0.0254 |
0.0010 |
0.0254 |
| 51 |
- |
- |
0.00088 |
0.02235 |
| 52 |
- |
- |
0.00078 |
0.0198 |
| 53 |
- |
- |
0.00070 |
0.0178 |
| 54 |
- |
- |
0.00062 |
0.0157 |
| 55 |
- |
- |
0.00055 |
0.0140 |
| 56 |
- |
- |
0.00049 |
0.01245 |
ISO Metric Preferred Size Chart
| ISO Metric Preferred Sizes (mm) |
Nearest SWG Size (inches) |
| R10 |
R20 |
R40 |
Equiv in inches |
| 0.025 |
0.025 |
0.025 |
0.00098 |
|
| |
|
0.026 |
0.00102 |
0.00102 |
| |
0.028 |
0.028 |
0.00110 |
|
| |
|
0.030 |
0.00118 |
0.00118 |
| 0.032 |
0.032 |
0.032 |
0.00126 |
|
| |
|
0.034 |
0.00134 |
|
| |
0.036 |
0.036 |
0.00142 |
|
| |
|
0.038 |
0.00150 |
|
| 0.040 |
0.040 |
0.040 |
0.00158 |
0.0016 |
| |
|
0.042 |
0.00165 |
|
| |
0.045 |
0.045 |
0.00177 |
|
| |
|
0.048 |
0.00189 |
|
| 0.050 |
0.050 |
0.050 |
0.00197 |
0.002 |
| |
|
|
|
|
| |
|
0.053 |
0.00209 |
|
| |
0.056 |
0.056 |
0.00220 |
|
| |
|
0.060 |
0.00236 |
0.0024 |
| 0.063 |
0.063 |
0.063 |
0.00248 |
|
| |
|
0.067 |
0.00264 |
|
| |
0.071 |
0.071 |
0.00280 |
0.0028 |
| |
|
0.075 |
0.00295 |
|
| 0.080 |
0.080 |
0.080 |
0.00315 |
0.0032 |
| |
|
0.085 |
0.00335 |
|
| |
0.090 |
0.090 |
0.00354 |
0.0036 |
| |
|
0.095 |
0.00374 |
|
| 0.100 |
0.100 |
0.100 |
0.00394 |
0.004 |
| |
|
|
|
|
| |
|
0.106 |
0.00417 |
|
| |
0.112 |
0.112 |
0.00441
|
0.0044
|
| |
|
0.118 |
0.00465
|
0.0048
|
| 0.125 |
0.125 |
0.125 |
0.00492
|
|
| |
|
0.132 |
0.00520
|
0.0052
|
| |
0.140 |
0.140 |
0.00551
|
|
| |
|
0.150 |
0.00591
|
0.006
|
| 0.160 |
0.160 |
0.160 |
0.00630
|
|
| |
|
0.170 |
0.00669
|
0.0068
|
| |
0.180 |
0.180 |
0.00709
|
|
| |
|
0.190 |
0.00748
|
0.0076
|
| 0.200 |
0.200 |
0.200 |
0.00787
|
|
| |
|
0.212 |
0.00835
|
0.0084
|
| |
0.224 |
0.224 |
0.00882
|
|
| |
|
0.236 |
0.00929
|
0.0092
|
| 0.250 |
0.250 |
0.250 |
0.00984
|
0.0100
|
| |
|
|
|
|
| |
|
0.265 |
0.01043
|
|
| |
0.280 |
0.280 |
0.01102
|
0.0108
|
| |
|
0.300 |
0.01181
|
0.0116
|
| 0.315 |
0.315 |
0.315 |
0.01240
|
0.0124
|
| |
|
0.335 |
0.01319
|
|
| |
0.355 |
0.355 |
0.01398
|
0.0136
|
| |
|
0.375 |
0.01476
|
0.0148
|
| 0.400 |
0.400 |
0.400 |
0.01575
|
|
| |
|
0.425 |
0.01673
|
0.0164
|
| |
0.450 |
0.450 |
0.01772
|
0.018
|
| |
|
0.475 |
0.01870
|
|
| 0.500 |
0.500 |
0.500 |
0.01969
|
0.020
|
| |
|
0.530 |
0.02087
|
0.021
|
| |
0.560 |
0.560 |
0.02205
|
0.022
|
| |
|
0.600 |
0.02362
|
0.024
|
| 0.630 |
0.630 |
0.630 |
0.02480
|
|
| |
|
0.670 |
0.02638
|
0.026
|
| |
0.710 |
0.710 |
0.02795
|
0.028
|
| |
|
0.750 |
0.02953
|
0.030
|
| 0.800 |
0.800 |
0.800 |
0.03150
|
0.032
|
| |
|
0.850 |
0.03346
|
0.034
|
| |
0.900 |
0.900 |
0.03543
|
0.036
|
| |
|
0.950 |
0.03740
|
0.038
|
| 1.00 |
1.00 |
1.00 |
0.03937
|
0.040
|
| |
|
|
|
|
| |
|
1.06 |
0.04173
|
|
| |
1.12 |
1.12 |
0.04409
|
0.044
|
| |
|
1.18 |
0.04646
|
|
| 1.25 |
1.25 |
1.25 |
0.04921
|
0.048
|
| |
|
1.32 |
0.05197
|
0.052
|
| |
1.40 |
1.40 |
0.05512
|
0.056
|
| |
|
1.50 |
0.05906
|
0.060
|
| 1.60 |
1.60 |
1.60 |
0.06299
|
0.064
|
| |
|
1.70 |
0.06693
|
0.068
|
| |
1.80 |
1.80 |
0.07087
|
0.072
|
| |
|
1.90 |
0.07480
|
0.076
|
| 2.00 |
2.00 |
2.00 |
0.07874
|
0.080
|
| |
|
|
|
|
| |
|
2.12 |
0.08346
|
|
| |
2.24 |
2.24 |
0.08819
|
0.086
|
| |
|
2.36 |
0.09291
|
0.092
|
| 2.50 |
2.50 |
2.50 |
0.09843
|
0.098
|
| |
|
2.65 |
0.10433
|
0.104
|
| |
2.80 |
2.80 |
0.11024
|
0.110
|
| |
|
3.00 |
0.11811
|
0.116
|
| 3.15 |
3.15 |
3.15 |
0.12402 |
0.122 |
| |
|
3.35 |
0.13189 |
0.128 |
| |
3.55 |
3.55 |
0.13976 |
0.136 |
| |
|
3.75 |
0.14764 |
0.144 |
| 4.00 |
4.00 |
4.00 |
0.15748 |
0.160 |
| |
|
4.25 |
0.16732 |
0.168 |
| |
4.50 |
4.50 |
0.17717 |
0.176 |
| |
|
4.75 |
0.18701 |
0.184 |
| 5.00 |
5.00 |
5.00 |
0.19685 |
0.192 |
| |
|
|
|
|
| |
|
5.30 |
0.20866 |
0.212 |
| |
5.60 |
5.60 |
0.22047 |
0.222 |
| |
|
6.00 |
0.23622 |
0.232 |
| 6.30 |
6.30 |
6.30 |
0.24803 |
0.252 |
|