AWG Wire Chart, Aught, MCM kcmil, US Inch, and Metric Wire Sizes (2024)

Logical AWG Number AWG (and "Aught" */0 Equiv) MCMor kcmil Circular MILS Cross Section mm2 Metric UL486 Equivalent mm2 mm2 Lower mm2 Higher Cross Section in2 Diameter SOLID inch Diameter SOLID mm Diameter Typ. Stranded inch Approx. Max.
41 41 8 0.00397 0.0000062 0.0028 0.071
40 40 10 0.00501 0.0000078 0.0031 0.08
39 39 12 0.00632 0.0000098 0.0035 0.09
38 38 16 0.00797 0.0000123 0.004 0.101
37 37 20 0.01005 0.0000156 0.0045 0.113
36 36 25 0.01267 0.0000196 0.005 0.127
35 35 32 0.01597 0.0000248 0.0056 0.143
34 34 40 0.02014 0.0000312 0.0063 0.16
33 33 50 0.0254 0.0000394 0.0071 0.18
32 32 63 0.03203 0.0000496 0.008 0.202
31 31 80 0.04039 0.0000626 0.0089 0.227
30 30 100 0.05093 0.05 0.0000789 0.01 0.255
29 29 127 0.06422 0.0000995 0.0113 0.286
28 28 160 0.08097 0.08 0.000126 0.0126 0.321
27 27 201 0.10211 0.000158 0.0142 0.361
26 26 254 0.12875 0.13 0.0002 0.0159 0.405
25 25 320 0.16235 0.000252 0.0179 0.455
24 24 404 0.20473 0.2 0.000317 0.0201 0.511
23 23 509 0.25815 0.0004 0.0226 0.573
22 22 642 0.32552 0.3 0.000505 0.0253 0.644
21 21 810 0.41048 0.000636 0.0285 0.723
20 20 1021 0.5176 0.5 0.5 0.75 0.000802 0.032 0.812 0.036
19 19 1288 0.65268 0.00101 0.0359 0.912
18 18 1624 0.82301 0.8 0.75 1.0 0.00128 0.0403 1.02 0.046
17 17 2048 1.0378 0.00161 0.0453 1.15
16 16 2582 1.30864 1.31 1.0 1.5 0.00203 0.0508 1.29 0.058
15 15 3256 1.65016 0.00256 0.0571 1.45
14 14 4106 2.0808 2.1 1.5 2.5 0.00323 0.0641 1.63 0.073
13 13 5178 2.62384 0.00407 0.072 1.83
12 12 6529 3.30859 3.3 2.5 4 0.00513 0.0808 2.05 0.092
11 11 8233 4.17204 0.00647 0.0907 2.3
10 10 10 10382 5.26084 5.3 4 6 0.00815 0.102 2.59 0.116
9 9 13 13091 6.63377 6 10 0.0103 0.114 2.91 0.13
8 8 17 16507 8.36501 8.4 6 10 0.013 0.128 3.26 0.146
7 7 21 20815 10.5481 10 16 0.0163 0.144 3.66 0.164
6 6 26 26248 13.3008 13.3 10 16 0.0206 0.162 4.12 0.184
5 5 33 33098 16.772 16 25 0.026 0.182 4.62 0.206
4 4 42 41735 21.149 21.2 16 25 0.0328 0.204 5.19 0.232
3 3 53 52627 26.6684 26.7 25 35 0.0413 0.229 5.83 0.26
2 2 66 66361 33.6281 33.6 25 35 0.0521 0.258 6.54 0.292
1 1 84 83680 42.4042 42.4 35 50 0.0657 0.289 7.35 0.332
0 1 / 0 106 105518 53.4705 53.5 50 70 0.0829 0.325 8.25 0.373
-1 2 / 0 133 133056 67.4249 67.4 50 70 0.1045 0.365 9.27 0.419
-2 3 / 0 168 167780 85.021 85 70 95 0.1318 0.41 10.4 0.471
-3 4 / 0 212 211566 107.209 107 95 120 0.1662 0.46 11.68 0.528
-3.7 4.7 / 0 250 250000 126.677 120 120 150 0.1963 0.5 12.7 0.575
-4.5 5.5 / 0 300 300000 152.012 152 150 150 0.2356 0.548 13.91 0.63
-5.2 6.2 / 0 350 350000 177.348 177 150 185 0.2749 0.592 15.03 0.681
-5.7 6.7 / 0 400 400000 202.683 203 185 240 0.3142 0.632 16.06 0.728
-6.3 7.3 / 0 450 450000 228.018 185 240 0.3534 0.671 17.04
-6.7 7.7 / 0 500 500000 253.354 253 240 300 0.3927 0.707 17.96 0.814
-7.5 8.5 / 0 600 600000 304.025 304 300 400 0.4712 0.775 19.67 0.893
-8.2 9.2 / 0 700 700000 354.695 355 300 400 0.5498 0.837 21.25 0.964
-8.5 9.5 / 0 750 750000 380.031 380 300 400 0.589 0.866 22 0.999
-8.7 9.7 / 0 800 800000 405.366 405 400 500 0.6283 0.894 22.72 1.032
-9.2 10.2 / 0 900 900000 456.037 456 400 500 0.7069 0.949 24.1
-9.7 10.7 / 0 1000 1000000 506.708 508 500 625 0.7854 1 25.4 1.153
-10.7 11.7 / 0 1250 1250000 633.384 633 625 800 0.9817 1.118 28.4 1.289
-11.4 12.4 / 0 1500 1500000 760.061 760 625 800 1.1781 1.225 31.11 1.413
-12.1 13.1 / 0 1750 1750000 886.738 887 800 1000 1.3744 1.323 33.6
-12.7 13.7 / 0 2000 2000000 1013.415 1010 1000 1.5708 1.414 35.92 1.632

MCM means 1000's (M) of (C)ircular (M)ils
kcmil means 1000's (K) of (C)ircular (M)ils

Mil means 1/1000 inch

Circular Mil means the area of a circle 1/1000 inch in diameter

AWG = -4.3125 LN (mm2) + 17.16 (approx interpolated)

AWG = -4.3125 LN (inch2) - 10.74 (approx interpolated)

Logical AWG numbers are based on continuing the series in a logarithmic relationship to the cross sectional area of the wire.

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AWG Wire Chart, Aught, MCM kcmil, US Inch, and Metric Wire Sizes (2024)

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