Have you ever wondered why precise copper wire diameters are critical in various industries? This article delves into the specifics of copper wire diameter measurements, comparing different standards such as SWG and AWG. By exploring this comprehensive table, you’ll gain insights into how wire dimensions impact electrical performance and material efficiency. Discover how this knowledge can optimize your projects and enhance your understanding of copper wire applications.
mm.G. | AWG | SWG | Dia.mm | sq.mm2 | kg/km | Ohms Per Kilomtr | mil | sq.in | cir.mil |
8 | 8.000 | 50.270 | 446.9 | 315.00 | 0.0779300 | 99,225 | |||
1 | 1 | 7.620 | 45.600 | 405.4 | 300.00 | 0.0706900 | 90,000 | ||
7.341 | 42.220 | 343.1 | 289.00 | 0.0656000 | 83,521 | ||||
7.214 | 40.870 | 363.3 | 284.00 | 0.0633500 | 80,656 | ||||
2 | 7.010 | 38.600 | 376.2 | 276.00 | 0.0598300 | 76,176 | |||
7 | 7.000 | 38.480 | 342.1 | 276.00 | 0.0598300 | 76,176 | |||
6.579 | 33.990 | 302.2 | 259.00 | 0.0526900 | 67,081 | ||||
2 | 6.553 | 33.940 | 299.8 | 258.00 | 0.0520000 | 66,564 | |||
6.5 | 6.500 | 33.180 | 295.0 | 256.00 | 0.0510000 | 66,536 | |||
3 | 6.401 | 32.180 | 286.1 | 252.00 | 0.0500000 | 63,504 | |||
6.045 | 28.700 | 255.1 | 238.00 | 0.0444900 | 56,644 | ||||
6 | 6.000 | 28.270 | 251.3 | 236.00 | 0.0437400 | 55,696 | |||
4 | 5.893 | 27.270 | 242.5 | 232.00 | 0.0422700 | 53,824 | |||
3 | 5.817 | 26.570 | 236.2 | 229.00 | 0.0411900 | 57,441 | |||
5.588 | 24.520 | 218.0 | 220.00 | 0.0380100 | 48,400 | ||||
5.5 | 5.500 | 23.760 | 211.2 | 217.00 | 0.0369800 | 47,089 | |||
5 | 5.385 | 22.770 | 202.5 | 212.00 | 0.0353000 | 44,944 | |||
4 | 5.182 | 21.090 | 187.5 | 0.8153 | 204.00 | 0.0326900 | 41,616 | ||
6 | 5.156 | 20.880 | 185.6 | 203.00 | 0.0323700 | 41,209 | |||
5 | 5.000 | 19.640 | 174.6 | 197.00 | 0.0304800 | 38,809 | |||
4.877 | 18.680 | 166.1 | 192.00 | 0.0289500 | 36,864 | ||||
5 | 4.623 | 16.780 | 149.2 | 1.0280 | 182.00 | 0.0260200 | 33,124 | ||
4.572 | 16.420 | 146.0 | 180.00 | 0.0254500 | 32,400 | ||||
4.5 | 4.500 | 15.900 | 141.4 | 177.00 | 0.0241600 | 31,329 | |||
7 | 4.470 | 15.700 | 139.5 | 176.00 | 0.0243300 | 30,976 | |||
4.191 | 13.790 | 122.6 | 165.00 | 0.0213800 | 27,225 | ||||
6 | 4.115 | 13.300 | 118.2 | 1.2970 | 162.00 | 0.0206100 | 26,244 | ||
8 | 4.065 | 12.970 | 115.3 | 160.00 | 0.0201100 | 25,600 | |||
4 | 4.000 | 12.670 | 111.7 | 158.00 | 0.0196100 | 24,964 | |||
3.759 | 11.100 | 98.7 | 148.00 | 0.0172000 | 21,904 | ||||
7 | 9 | 3.658 | 10.507 | 93.4 | 1.6340 | 144.00 | 0.0162900 | 20,736 | |
3.5 | 3.500 | 9.621 | 85.53 | 138.00 | 0.0149600 | 19,044 | |||
3.404 | 9.096 | 80.86 | 134.00 | 0.0141000 | 17,956 | ||||
8 | 10 | 3.264 | 8.302 | 73.80 | 2.0610 | 128.00 | 0.0128700 | 16,384 | |
3.2 | 3.200 | 8.042 | 71.49 | 126.00 | 0.0124700 | 15,876 | |||
3.048 | 7.296 | 64.86 | 120.00 | 0.0113100 | 14,400 | ||||
11 | 2.948 | 6.818 | 60.61 | 116.00 | 0.0105700 | 13,456 | |||
2.9 | 9 | 2.906 | 6.605 | 58.72 | 2.6000 | 114.20 | 0.0102400 | 13,042 | |
2.896 | 6.585 | 58.54 | 114.00 | 0.0102100 | 12,996 | ||||
2.769 | 6.020 | 53.52 | 109.00 | 0.0093310 | 11,881 | ||||
12 | 2.642 | 5.480 | 48.72 | 104.00 | 0.0084950 | 10,816 | |||
2.6 | 2.600 | 5.309 | 47.20 | 102.00 | 0.0081710 | 10,404 | |||
10 | 2.588 | 5.272 | 46.87 | 3.2770 | 102.00 | 0.0081710 | 10,404 | ||
2.413 | 4.572 | 40.65 | 95.00 | 0.0070880 | 9,025 | ||||
13 | 2.337 | 4.284 | 38.08 | 92.00 | 0.0066480 | 8,464 | |||
11 | 2.304 | 4.196 | 37.30 | 4.1370 | 91.00 | 0.0065040 | 8,281 | ||
2.3 | 2.300 | 4.155 | 36.94 | 90.60 | 0.0064470 | 8,208 | |||
2.108 | 3..491 | 31.04 | 83.00 | 0.0054110 | 6,889 | ||||
12 | 2.052 | 3.325 | 29.55 | 5.2130 | 81.00 | 0.0051530 | 6,561 | ||
14 | 2.032 | 3.243 | 28.830 | 80.00 | 0.0050270 | 6,400 | |||
2 | 2.000 | 3.142 | 27.93 | 79.00 | 0.0049020 | 6,241 | |||
13 | 15 | 1.829 | 2.627 | 23.35 | 6.5650 | 72.00 | 0.0040720 | 5,184 | |
1.8 | 1.800 | 2.545 | 22.63 | 71.00 | 0.0039590 | 5,041 | |||
1.651 | 2.140 | 19.03 | 65.00 | 0.0033180 | 4,225 | ||||
14 | 16 | 1.628 | 2.075 | 18.45 | 8.2810 | 64.00 | 0.0032170 | 4,096 | |
1.6 | 1.600 | 2.011 | 17.880 | 63.00 | 0.0031170 | 3,969 | |||
1.473 | 1.704 | 15.150 | 58.00 | 0.0026430 | 3,364 | ||||
15 | 1.450 | 1.646 | 14.460 | 10.4400 | 57.00 | 0.0025520 | 3,249 | ||
17 | 1.422 | 1.589 | 14.130 | 56.00 | 0.0024630 | 3,136 | |||
1.4 | 1.4000 | 1.5390 | 13.680 | 55.00 | 0.0023760 | 3,025 | |||
16 | 1.2900 | 1.3180 | 11.720 | 13.1900 | 51.00 | 0.0020430 | 2,601 | ||
1.2450 | 1.2170 | 10.820 | 49.00 | 0.0018860 | 2,401 | ||||
18 | 1.2190 | 1.1680 | 10.380 | 48.00 | 0.0018100 | 2,304 | |||
1.2 | 1.2000 | 1.1310 | 10.050 | 47.00 | 0.0017350 | 2,209 | |||
17 | 1.1560 | 1.0260 | 9.122 | 16.5800 | 45.00 | 0.0015900 | 2,025 | ||
1.0670 | 0.8935 | 7.943 | 42.00 | 0.0013850 | 1,764 | ||||
18 | 19 | 1.0240 | 0.8107 | 7.207 | 20.9500 | 40.00 | 0.0012570 | 1,600 | |
1 | 1.0000 | 0.7854 | 6.982 | 39.00 | 0.0011950 | 1,521 | |||
19 | 20 | 0.9120 | 0.6567 | 5.838 | 26.4000 | 36.00 | 0.0010180 | 1,296 | |
0.9 | 0.9000 | 0.6362 | 5.656 | 35.00 | 0.0009841 | 1,253 | |||
0.8890 | 0.6207 | 5.518 | 35.00 | 0.0009621 | 1,225 | ||||
20 | 21 | 0.8130 | 0.5189 | 4.613 | 33.2300 | 32.00 | 0.0008043 | 1,024 | |
0.8 | 0.8000 | 0.5027 | 4.469 | 31.50 | 0.0007791 | 992 | |||
21 | 0.7240 | 0.4156 | 3.695 | 41.9000 | 28.50 | 0.0006379 | 812 | ||
22 | 0.7112 | 0.3973 | 3.532 | 28.00 | 0.0006158 | 784 | |||
0.7 | 0.7000 | 0.3848 | 3.421 | 27.60 | 0.0005983 | 762 | |||
0.65 | 0.6500 | 0.3318 | 2.950 | 26.00 | 0.0005309 | 676 | |||
22 | 0.6430 | 0.3243 | 2.883 | 53.1500 | 25.30 | 0.0005027 | 640 | ||
0.6350 | 0.3167 | 2.816 | 25.00 | 0.0004909 | 625 | ||||
23 | 0.6096 | 0.2919 | 2.595 | 24.00 | 0.0004524 | 576 | |||
0.6 | 0.6000 | 0.2827 | 2.5130 | 23.60 | 0.0004376 | 557 | |||
23 | 0.5740 | 0.2588 | 2.3010 | 66.6300 | 22.60 | 0.0004013 | 511 | ||
24 | 0.5588 | 0.2453 | 2.1810 | 22.00 | 0.0003801 | 484 | |||
0.55 | 0.5500 | 0.2376 | 2.1120 | 21.70 | 0.0003699 | 471 | |||
24 | 0.5110 | 0.2047 | 1.8200 | 84.2200 | 20.10 | 0.0003173 | 404 | ||
25 | 0.5080 | 0.2021 | 1.7970 | 20.00 | 0.0003142 | 400 | |||
0.5 | 0.5000 | 0.1964 | 1.7460 | 19.70 | 0.0003048 | 388 | |||
26 | 0.4580 | 0.1642 | 1.4600 | 18.00 | 0.0002545 | 324 | |||
25 | 0.4550 | 0.1624 | 1.4430 | 106.2000 | 17.90 | 0.0002516 | 320 | ||
0.45 | 0.4500 | 0.1590 | 1.4140 | 17.70 | 0.0002461 | 313 | |||
27 | 0.4166 | 0.1363 | 1.2120 | 16.40 | 0.0002112 | 269 | |||
0.4064 | 0.1297 | 1.1530 | 16.00 | 0.0002011 | 256 | ||||
26 | 0.4040 | 0.1281 | 1.1390 | 134.6000 | 15.90 | 0.0001986 | 253 | ||
0.4 | 0.4000 | 0.1257 | 1.1170 | 15.80 | 0.0001960 | 250 | |||
28 | 0.3759 | 0.1110 | 0.9868 | 14.80 | 0.0001720 | 219 | |||
27 | 0.3610 | 0.1022 | 0.9083 | 168.7000 | 14.20 | 0.0001584 | 202 | ||
0.3556 | 0.0993 | 0.8826 | 14.00 | 0.0001539 | 196 | ||||
0.35 | 0.3500 | 0.0962 | 0.8553 | 13.80 | 0.0001495 | 190 | |||
29 | 0.3454 | 0.0937 | 0.8332 | 13.60 | 0.0001453 | 185 | |||
0.3302 | 0.0856 | 0.7610 | 13.00 | 0.0001327 | 169 | ||||
0.32 | 28 | 0.3200 | 0.0804 | 0.7149 | 214.3000 | 12.60 | 0.0001247 | 159 | |
30 | 0.3150 | 0.0791 | 0.7032 | 12.40 | 0.0001203 | 154 | |||
0.3048 | 0.0728 | 0.6486 | 12.00 | 0.0001131 | 144 | ||||
31 | 0.2946 | 0.0682 | 0.6061 | 11.60 | 0.0001057 | 137 | |||
0.29 | 0.2900 | 0.0661 | 0.5872 | 11.40 | 0.0001021 | 130 | |||
29 | 0.2870 | 0.0647 | 0.5752 | 266.5000 | 11.30 | 0.0001003 | 128 | ||
32 | 0.2743 | 0.0591 | 0.5254 | 10.80 | 0.0000916 | 117 | |||
0.26 | 0.2600 | 0.0531 | 0.47200 | 10.20 | 0.0000817 | 104 | |||
30 | 33 | 0.2540 | 0.0507 | 0.45050 | 340.2000 | 10.00 | 0.0000785 | 100 | |
34 | 0.2337 | 0.0429 | 0.38130 | 9.20 | 0.0000665 | 85 | |||
0.23 | 0.2300 | 0.0416 | 0.36940 | 9.10 | 0.0000650 | 83 | |||
0.2286 | 0.0411 | 0.36490 | 9.00 | 0.0000636 | 81 | ||||
31 | 0.2261 | 0.0404 | 0.35680 | 429.5000 | 8.90 | 0.0000622 | 79 | ||
35 | 0.2134 | 0.0352 | 0.31250 | 8.40 | 0.0000554 | 71 | |||
0.2032 | 0.0324 | 0.28840 | 8.00 | 0.0000503 | 64 | ||||
32 | 0.2030 | 0.0320 | 0.28470 | 531.5000 | 7.90 | 0.0000496 | 63 | ||
0.2 | 0.2000 | 0.0314 | 0.27930 | 7.90 | 0.0000490 | 62 | |||
36 | 0.1930 | 0.0293 | 0.26020 | 7.60 | 0.0000454 | 58 | |||
33 | 0.1800 | 0.0256 | 0.22710 | 674.9000 | 7.10 | 0.0000396 | 50 | ||
0.18 | 0.1800 | 0.0255 | 0.22630 | 7.10 | 0.0000396 | 50 | |||
0.1778 | 0.0248 | 0.22070 | 7.00 | 0.0000385 | 49 | ||||
37 | 0.1727 | 0.0235 | 0.20870 | 6.80 | 0.0000363 | 46 | |||
0.16 | 34 | 0.1600 | 0.0201 | 0.17880 | 857.3000 | 6.30 | 0.0000312 | 40 | |
38 | 0.1524 | 0.0182 | 0.162200 | 6.00 | 0.0000283 | 36 | |||
35 | 0.1420 | 0.0159 | 0.141300 | 1085.0000 | 5.60 | 0.0000246 | 31 | ||
0.14 | 0.1400 | 0.0154 | 0.136800 | 5.50 | 0.0000238 | 30 | |||
39 | 0.1321 | 0.0137 | 0.121800 | 5.20 | 0.0000212 | 27 | |||
36 | 0.1270 | 0.0127 | 0.112600 | 1361.0000 | 5.00 | 0.0000196 | 25 | ||
40 | 0.1219 | 0.0117 | 0.103800 | 4.80 | 0.0000181 | 23 | |||
0.12 | 0.1200 | 0.0113 | 0.100500 | 4.70 | 0.0000174 | 22 | |||
37 | 0.1140 | 0.0101 | 0.089310 | 1680.0000 | 4.50 | 0.0000156 | 19 | ||
41 | 0.1118 | 0.0098 | 0.087210 | 4.40 | 0.0000152 | 19 | |||
38 | 42 | 0.1020 | 0.0081 | 0.072070 | 2127.0000 | 4.00 | 0.0000126 | 16 | |
0.1 | 0.1000 | 0.0079 | 0.069820 | 3.90 | 0.0000119 | 15 | |||
43 | 0.0914 | 0.0066 | 0.058380 | 3.60 | 0.0000102 | 13 | |||
39 | 0.0890 | 0.0062 | 0.055180 | 2778.0000 | 3.50 | 0.0000096 | 12 | ||
44 | 0.0813 | 0.0052 | 0.046130 | 3.20 | 0.0000080 | 10 | |||
40 | 0.0790 | 0.0049 | 0.043290 | 3540.0000 | 3.10 | 0.0000075 | 10 | ||
41 | 45 | 0.0710 | 0.0040 | 0.035310 | 4340.0000 | 2.80 | 0.00000615 | ||
42 | 0.0640 | 0.0032 | 0.028020 | 5443.0000 | 2.49 | 0.00000488 | |||
46 | 0.0610 | 0.0029 | 0.025950 | 2.40 | 0.00000452 | ||||
43 | 0.0560 | 0.0025 | 0.022220 | 7031.0000 | 2.22 | 0.00000387 | |||
47 | 0.0508 | 0.002026 | 0.018020 | 2.00 | 0.00000314 | ||||
44 | 0.0510 | 0.002042 | 0.017759 | 8507.0000 | 1.98 | 0.00000307 | |||
0.05 | 0.0500 | 0.001963 | 0.017072 | 1.97 | 0.00000304 | ||||
45 | 0.0450 | 0.001590 | 0.013828 | 1.76 | 0.00000243 | ||||
48 | 0.0406 | 0.001294 | 0.011254 | 13293.0000 | 1.60 | 0.00000201 | |||
46 | 0.0400 | 0.001256 | 0.010924 | 16451.0000 | 1.57 | 0.00000193 | |||
47 | 0.0356 | 0.000995 | 0.008663 | 1.40 | 0.00000154 | ||||
48 | 0.0315 | 0.000779 | 0.006782 | 1.24 | 0.00000121 | ||||
49 | 0.0305 | 0.000730 | 0.006355 | 1.20 | 0.00000113 | ||||
49 | 0.0282 | 0.000624 | 0.005427 | 1.11 | 0.00000097 | ||||
50 | 50 | 0.0254 | 0.000506 | 0.004410 | 1.00 | 0.00000079 | |||
51 | 0.0224 | 0.000394 | 0.003430 | 0.88 | 0.00000061 | ||||
52 | 0.0198 | 0.000308 | 0.002860 | 0.78 | 0.00000048 | ||||
53 | 0.0178 | 0.000249 | 0.002310 | 0.70 | 0.00000038 | ||||
54 | 0.0158 | 0.000196 | 0.001820 | 0.62 | 0.00000030 | ||||
55 | 0.0140 | 0.000154 | 0.001430 | 0.56 | 0.00000025 | ||||
56 | 0.0125 | 0.000123 | 0.001150 | 0.50 | 0.00000020 |