UL, Metric & SAE Strand Charts
Solid & Stranded Specifications
- Conforms to ASTM B-1 for hard drawn, ASTM B-2 for medium hard drawn, ASTM B-2 for soft or annealed copper wire and ASTM B-8 for concentric lay
- Conforms to Federal Standard QQ-W-343
- Conforms to National Bureau of Standards Handbook
- Breaking strength and resistance are calculated in accordance with ASTM B-258
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Solid Bare Copper
| Cross Sectional | Hard Drawn | Medium Hard Drawn | Soft Drawn | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| AWG | Nom.
Diameter (in) |
Area (Cir. Mils) |
Appx.
Net Wt. (lb/1000ft) |
Min.
Breaking Strength (lb) |
Max.
DC Resistance @ 20C (OHMS/1000ft) |
Min. Breaking Strength (lb) |
Max. Breaking Strength (lb) |
Max DC Resistance @ 20C (OHMS/1000ft) |
Max. Breaking Strength (lb) |
Max. DC Resistance @ 20C (OHMS/1000ft) |
| 36 | 0.0050 | 25.0 | 0.0757 | 1.4 | 431 | 1.2 | 1.3 | 429 | 0.78 | 415 |
| 35 | 0.0056 | 31.4 | 0.0949 | 1.8 | 344 | 1.5 | 1.6 | 342 | 0.99 | 331 |
| 34 | 0.0063 | 39.7 | 0.120 | 2.2 | 272 | 1.8 | 2.0 | 270 | 1.2 | 261 |
| 33 | 0.0071 | 50.4 | 0.153 | 2.8 | 214 | 2.3 | 2.6 | 213 | 1.6 | 206 |
| 32 | 0.0080 | 64.0 | 0.194 | 3.5 | 168 | 2.9 | 3.2 | 168 | 1.9 | 162 |
| 31 | 0.0089 | 79.2 | 0.240 | 4.4 | 136 | 3.6 | 4.0 | 135 | 2.5 | 131 |
| 30 | 0.0100 | 100 | 0.303 | 6 | 108 | 4.5 | 5.1 | 107 | 3.2 | 104 |
| 29 | 0.0113 | 128 | 0.387 | 7 | 84.5 | 5.6 | 6.3 | 84.0 | 3.9 | 81.2 |
| 28 | 0.0126 | 159 | 0.481 | 9 | 67.9 | 7.1 | 7.9 | 67.6 | 5.0 | 65.3 |
| 27 | 0.0142 | 202 | 0.610 | 11 | 53.5 | 8.9 | 10 | 53.2 | 6.3 | 51.4 |
| 26 | 0.0159 | 253 | 0.765 | 14 | 42.7 | 11 | 13 | 42.4 | 7.9 | 41.0 |
| 25 | 0.0179 | 320 | 0.970 | 17 | 33.7 | 14 | 16 | 33.5 | 10 | 32.4 |
| 24 | 0.0201 | 404 | 1.22 | 22 | 26.7 | 17 | 20 | 26.6 | 13 | 25.7 |
| 23 | 0.0226 | 511 | 1.55 | 27 | 21.1 | 22 | 25 | 21.0 | 15 | 20.3 |
| 22 | 0.0253 | 640 | 1.94 | 34 | 16.9 | 27 | 31 | 16.8 | 19 | 16.2 |
| 21 | 0.0285 | 812 | 2.46 | 43 | 13.3 | 34 | 39 | 13.2 | 24 | 12.8 |
| 20 | 0.0320 | 1,020 | 3.10 | 54 | 10.5 | 43 | 49 | 10.5 | 31 | 10.1 |
| 19 | 0.0359 | 1,290 | 3.90 | 68 | 8.37 | 54 | 61 | 8.32 | 39 | 8.05 |
| 18 | 0.0403 | 1,620 | 4.92 | 85 | 6.64 | 67 | 76 | 6.61 | 49 | 6.39 |
| 17 | 0.0453 | 2,050 | 6.21 | 108 | 5.26 | 84 | 96 | 5.23 | 62 | 5.05 |
| 16 | 0.0508 | 2,580 | 7.81 | 135 | 4.18 | 106 | 120 | 4.16 | 73 | 4.02 |
| 15 | 0.0571 | 3,260 | 9.87 | 170 | 3.31 | 151 | 165 | 3.29 | 99 | 3.18 |
| 14 | 0.0641 | 4,110 | 12.4 | 214 | 2.63 | 167 | 189 | 2.61 | 124 | 2.52 |
| 13 | 0.0720 | 5,180 | 15.7 | 268 | 2.09 | 209 | 237 | 2.07 | 157 | 2.00 |
| 12 | 0.0808 | 6,530 | 19.8 | 337 | 1.65 | 262 | 297 | 1.64 | 197 | 1.59 |
| 11 | 0.0907 | 8,230 | 24.9 | 423 | 1.31 | 327 | 372 | 1.30 | 249 | 1.26 |
| 10 | 0.1019 | 10,380 | 31.43 | 529 | 1.039 | 410 | 467 | 1.033 | 314 | 0.9988 |
| 9 | 0.1144 | 13,090 | 39.62 | 660 | 0.8241 | 513 | 585 | 0.8199 | 380 | 0.7925 |
| 8 | 0.1285 | 16,510 | 49.98 | 826 | 0.6532 | 644 | 734 | 0.6498 | 479 | 0.6281 |
| 7 | 0.1443 | 20,820 | 63.03 | 1030 | 0.5180 | 806 | 921 | 0.5153 | 605 | 0.4981 |
| 6 | 0.1620 | 26,240 | 79.44 | 1280 | 0.4110 | 1010 | 1154 | 0.4088 | 762 | 0.3952 |
| 5 | 0.1819 | 33,090 | 100.2 | 1591 | 0.3258 | 1265 | 1446 | 0.3243 | 961 | 0.3134 |
| 4 | 0.2043 | 41,740 | 126.3 | 1970 | 0.2584 | 1584 | 1814 | 0.2571 | 1213 | 0.2485 |
| 3 | 0.2294 | 52,620 | 159.3 | 2439 | 0.2049 | 1984 | 2273 | 0.2039 | 1529 | 0.1971 |
| 2 | 0.2576 | 66,360 | 200.9 | 3002 | 0.1625 | 2450 | 2814 | 0.1617 | 1928 | 0.1563 |
| 1 | 0.2893 | 83,690 | 253.3 | 3688 | 0.1289 | 3024 | 3484 | 0.1282 | 2432 | 0.1239 |
| 1/0 | 0.3249 | 105,600 | 319.5 | 4518 | 0.1011 | 3731 | 4311 | 0.1016 | 2985 | 0.09825 |
| 2/0 | 0.3650 | 133,100 | 403 | 5519 | 0.0802 | 4600 | 5330 | 0.0798 | 3763 | 0.0779 |
| 3/0 | 0.4100 | 167,800 | 508 | 6720 | 0.0636 | 5666 | 6590 | 0.0633 | 4745 | 0.0618 |
| 4/0 | 0.4600 | 211,600 | 640 | 8143 | 0.0505 | 6980 | 8143 | 0.0502 | 5983 | 0.0490 |
Stranded Bare Copper
| Size (AWG/MCM) | Stranding | Nominal OD of Strand | Approx. OD (in) | Weight (lbs/Mft) | OHMS/Resistance (per Mft) |
|---|---|---|---|---|---|
|
36 34 |
7/44 7/42 |
0.0020 0.0025 |
0.0060 0.0075 |
0.085 0.132 |
382.0 244.0 |
| 32 |
7/40 19/44 |
0.0031 0.0020 |
0.0094 0.0099 |
0.203 0.230 |
159.0 142.0 |
| 30 |
7/38 19/42 |
0.0040 0.0025 |
0.0120 0.0120 |
0.339 0.359 |
95.40 90.80 |
| 28 |
7/36 19/40 |
0.0050 0.0031 |
0.0150 0.0160 |
0.529 0.553 |
61.00 59.10 |
| 26 |
7/34 10/36 19/38 |
0.0063 0.0050 0.0040 |
0.0190 0.0190 0.0200 |
0.841 0.757 0.920 |
38.50 40.40 35.50 |
| 24 |
7/32 10/34 19/36 41/40 |
0.0080 0.0063 0.0050 0.0031 |
0.0240 0.0230 0.0240 0.0240 |
1.356 1.201 1.430 1.160 |
23.30 26.09 22.70 25.59 |
| 22 |
7/30 19/34 26/36 |
0.0100 0.0063 0.0050 |
0.0300 0.0310 0.0300 |
2.120 2.280 1.970 |
15.30 14.30 15.94 |
| 20 |
7/28 10/30 19/32 26/34 41/36 105/40 |
0.0126 0.0100 0.0080 0.0063 0.0050 0.0032 |
0.0380 0.0410 0.0400 0.0370 0.0370 0.0400 |
3.150 3.090 3.680 3.120 3.100 3.200 |
9.600 10.168 8.900 10.05 10.02 10.609 |
| 18 |
7/26 16/30 19/0.0092 41/34 65/36 168/40 |
0.0159 0.0100 0.0092 0.0063 0.0050 0.0032 |
0.0480 0.0520 0.0450 0.0470 0.0460 0.0520 |
5.360 4.940 4.900 4.920 4.910 5.140 |
6.040 6.740 6.323 6.600 6.390 6.631 |
| 17 | 210/40 | 0.0032 | 0.0590 | 6.400 | 5.304 |
| 16 |
7/24 19/0.0117 19/29 26/30 65/34 105/36 |
0.0201 0.0117 0.0113 0.0100 0.0063 0.0050 |
0.0600 0.0560 0.0570 0.0660 0.0600 0.0600 |
8.560 8.020 7.350 8.030 7.810 7.950 |
3.670 4.152 4.480 4.000 4.020 3.990 |
| 14 |
7/0.0242 7/22 19/27 19/0.0147 41/30 105/34 |
0.0242 0.0253 0.0142 0.0147 0.0100 0.0063 |
0.0726 0.0760 0.0710 0.0700 0.0700 0.0740 |
12.76 13.56 11.59 12.70 12.40 12.61 |
2.480 2.310 2.700 2.476 2.660 2.490 |
| 12 |
7/20 19/25 19/0.0185 65/30 165/34 |
0.0320 0.0179 0.0185 0.0100 0.0063 |
0.0960 0.0900 0.0925 0.0910 0.0950 |
21.69 18.43 20.15 19.66 19.82 |
1.450 1.770 1.564 1.680 1.580 |
| 10 |
7/0.0385 19/0.0234 37/26 49/27 105/30 |
0.0385 0.0234 0.0159 0.0142 0.0100 |
0.1160 0.1170 0.1100 0.1200 0.1140 |
32.06 32.06 28.31 29.89 31.76 |
1.000 1.000 1.160 1.280 0.980 |
| 8 |
7/0.0486 19/0.0295 54/25 84/27 133/29 168/30 420/34 |
0.0486 0.0295 0.0179 0.0142 0.0113 0.0100 0.0063 |
0.1460 0.1440 0.1506 0.1490 0.1670 0.1740 0.1620 |
50.10 50.00 55.00 52.00 54.00 53.10 53.00 |
0.650 0.650 0.624 0.638 0.640 0.660 0.680 |
| 6 |
7/0.0612 19/0.0372 133/27 266/30 665/34 |
0.0612 0.0372 0.0142 0.0100 0.0063 |
0.1840 0.1860 0.2100 0.2040 0.2150 |
81.10 81.10 84.10 83.20 84.00 |
0.410 0.400 0.410 0.417 0.400 |
| 4 |
7/0.0772 19/0.0469 133/25 420/30 1064/34 |
0.0772 0.0469 0.0179 0.0100 0.0063 |
0.2320 0.2350 0.2570 0.2570 0.2690 |
129.00 129.00 135.00 140.00 134.00 |
0.260 0.240 0.258 0.264 0.266 |
| 2 |
7/0.0974 19/0.0591 133/0.0223 665/30 1666/34 |
0.0974 0.0591 0.0223 0.0100 0.0063 |
0.2920 0.2920 0.3290 0.3380 0.3370 |
204.90 205.00 208.00 213.00 212.00 |
0.162 0.170 0.166 0.167 0.169 |
| 1 |
19/0.0664 133/0.0251 259/0.0180 836/30 2107/34 |
0.0664 0.0251 0.0180 0.0010 0.0063 |
0.3320 0.3800 0.3780 0.3650 0.3760 |
266.00 264.00 265.24 266.00 268.00 |
0.130 0.132 0.121 0.133 0.134 |
| 1/0 |
7/0.01228 19/0.0745 37/0.0534 259/24 1064/30 2646/34 |
0.1228 0.0745 0.0534 0.0201 0.0010 0.0063 |
0.3690 0.3730 0.3700 0.4240 0.4510 0.4370 |
326.00 326.00 326.00 331.00 338.00 337.00 |
0.102 0.100 0.102 0.105 0.105 0.106 |
| 2/0 |
7/0.1379 19/0.0837 37/0.0600 259/0.0227 1330/30 3325/34 |
0.1379 0.0837 0.0600 0.0227 0.0100 0.0063 |
0.4140 0.4190 0.4200 0.4560 0.4960 0.5340 |
410.90 410.90 411.00 430.00 430.00 427.00 |
0.081 0.081 0.080 0.083 0.084 0.085 |
| 3/0 |
7/0.1548 19/0.0940 37/0.0673 259/0.0255 1666/30 4256/34 |
0.1548 0.0940 0.0673 0.0255 0.0100 0.0063 |
0.4650 0.4700 0.4700 0.5360 0.5330 0.6150 |
518.00 518.00 518.00 533.00 676.00 547.00 |
0.064 0.064 0.065 0.066 0.067 0.0647 |
| 4/0 |
7/0.1739 19/0.1055 37/0.0756 259/0.0286 427/0.0223 2107/30 5320/34 |
0.1739 0.1055 0.0756 0.0286 0.0223 0.0100 0.0063 |
0.5220 0.5280 0.5290 0.6010 0.6020 0.6700 0.6450 |
653.00 653.00 653.00 671.22 676.00 674.00 684.00 |
0.0510 0.0510 0.048 0.048 0.0522 0.0530 0.0535 |
| 250MCM |
19/0.1147 37/0.0822 |
0.1147 0.0822 |
0.5750 0.5750 |
771.00 771.00 |
0.0430 0.0430 |
| 350MCM |
19/0.1357 37/0.0973 |
0.1357 0.0973 |
0.6810 0.6810 |
1081.0 1081.0 |
0.030 0.031 |
| 500MCM |
19/0.1622 37/0.1162 |
0.1622 0.1162 |
0.8130 0.8130 |
1544.0 1544.0 |
0.022 0.022 |
| 750MCM | 61/0.1109 | 0.1109 | 0.9980 | 2316.0 | 0.010 |
| 1000MCM | 61/0.1280 | 0.1280 | 1.1520 | 3088.0 | 0.009 |
AWG to mm2
| AWG | mm2 | AWG | mm2 | AWG | mm2 | AWG | mm2 | AWG | mm2 | AWG | mm2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30 | 0.05 | 21 | 0.38 | 14 | 2.5 | 4 | 25 | 3/0 | 95 | 600MCM | 300 |
| 28 | 0.08 | 20 | 0.50 | 12 | 4 | 2 | 35 | 4/0 | 120 | 750MCM | 400 |
| 26 | 0.14 | 18 | 0.75 | 10 | 6 | 1 | 50 | 300MCM | 150 | 1000MCM | 500 |
| 24 | 0.25 | 17 | 1.0 | 8 | 10 | 1/0 | 55 | 350MCM | 185 | ||
| 22 | 0.34 | 16 | 1.5 | 6 | 16 | 2/0 | 70 | 500MCM | 240 |
Automotive SAE Recommended Conductors
| AWG | Number of Strands | Nominal OD of Strand |
|---|---|---|
| 22 | 7/30 | 0.0100 |
| 20 | 7/28 | 0.0126 |
| 18 | 16/30 | 0.0100 |
| 18 | 19/32 | 0.0080 |
| 16 | 19/29 | 0.0113 |
| 14 | 19/27 | 0.0142 |
| 12 | 19/25 | 0.0179 |
| 10 | 19/23 | 0.0226 |
| 8 | 19/21 | 0.0285 |
| 6 | 37/21 | 0.0285 |
| 6 | 133/27 | 0.0142 |
| 4 | 61/22 | 0.0253 |
| 4 | 133/25 | 0.0179 |
| 2 | 133/23 | 0.0218 |
| 1 | 133/22 | 0.0243 |
| 1/0 | 133/21 | 0.0275 |
| 2/0 | 133/20 | 0.0309 |
| 3/0 | 266/22 | 0.0249 |
| 4/0 | 418/23 | 0.0226 |