Conductor Facts: American Wire Gauge
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Nominal values for annealed copper (C110)
AWG |
Diameter |
Cross-sectional Area |
Weight |
Length |
Resistance @ 20°C |
inch |
CMA |
in² |
lb/mft |
ft/lb |
ohm/mft |
1 |
0.2893 |
83,693 |
0.06573 |
253.3 |
3.947 |
0.1239 |
2 |
0.2576 |
66,371 |
0.05213 |
200.9 |
4.977 |
0.1563 |
3 |
0.2294 |
52,635 |
0.04134 |
159.3 |
6.276 |
0.1970 |
4 |
0.2043 |
41,741 |
0.03278 |
126.4 |
7.914 |
0.2485 |
5 |
0.1819 |
33,102 |
0.02600 |
100.2 |
9.980 |
0.3133 |
6 |
0.1620 |
26,251 |
0.02062 |
79.46 |
12.58 |
0.3951 |
7 |
0.1443 |
20,818 |
0.01635 |
63.02 |
15.87 |
0.4982 |
8 |
0.1285 |
16,510 |
0.01297 |
49.97 |
20.01 |
0.6282 |
9 |
0.1144 |
13,093 |
0.01028 |
39.63 |
25.23 |
0.7921 |
10 |
0.1019 |
10,383 |
0.008155 |
31.43 |
31.82 |
0.9988 |
11 |
0.09074 |
8,234 |
0.006467 |
24.92 |
40.12 |
1.260 |
12 |
0.08081 |
6,530 |
0.005129 |
19.77 |
50.59 |
1.588 |
13 |
0.07196 |
5,178 |
0.004067 |
15.68 |
63.79 |
2.003 |
14 |
0.06408 |
4,107 |
0.003225 |
12.43 |
80.44 |
2.525 |
15 |
0.05707 |
3,257 |
0.002558 |
9.858 |
101.4 |
3.184 |
16 |
0.05082 |
2,583 |
0.002028 |
7.818 |
127.9 |
4.015 |
17 |
0.04526 |
2,048 |
0.001609 |
6.200 |
161.3 |
5.063 |
18 |
0.04030 |
1,624 |
0.001276 |
4.917 |
203.4 |
6.385 |
19 |
0.03589 |
1,288 |
0.001012 |
3.899 |
256.5 |
8.051 |
20 |
0.03196 |
1,022 |
0.0008023 |
3.092 |
323.4 |
10.15 |
21 |
0.02846 |
810.1 |
0.0006363 |
2.452 |
407.8 |
12.80 |
22 |
0.02535 |
642.4 |
0.0005046 |
1.945 |
514.2 |
16.14 |
23 |
0.02257 |
509.5 |
0.0004001 |
1.542 |
648.4 |
20.36 |
24 |
0.02010 |
404.0 |
0.0003173 |
1.223 |
817.6 |
25.67 |
25 |
0.01790 |
320.4 |
0.0002517 |
0.9699 |
1,031 |
32.37 |
26 |
0.01594 |
254.1 |
0.0001996 |
0.7692 |
1,300 |
40.81 |
27 |
0.01420 |
201.5 |
0.0001583 |
0.6100 |
1,639 |
51.47 |
28 |
0.01264 |
159.8 |
0.0001255 |
0.4837 |
2,067 |
64.90 |
29 |
0.01126 |
126.7 |
0.00009954 |
0.3836 |
2,607 |
81.83 |
30 |
0.01003 |
100.5 |
0.00007894 |
0.3042 |
3,287 |
103.2 |
31 |
0.00893 |
79.70 |
0.00006260 |
0.2413 |
4,145 |
130.1 |
32 |
0.00795 |
63.21 |
0.00004964 |
0.1913 |
5,227 |
164.1 |
33 |
0.00708 |
50.13 |
0.00003937 |
0.1517 |
6,591 |
206.9 |
34 |
0.0063 |
39.75 |
0.00003122 |
0.1203 |
8,311 |
260.9 |
35 |
0.00561 |
31.52 |
0.00002476 |
0.0954 |
10,479 |
329.0 |
36 |
0.00500 |
25.00 |
0.00001963 |
0.0757 |
13,214 |
414.8 |
37 |
0.00445 |
19.83 |
0.00001557 |
0.0600 |
16,663 |
523.1 |
38 |
0.00397 |
15.72 |
0.00001235 |
0.0476 |
21,012 |
659.6 |
39 |
0.00353 |
12.47 |
0.00000979 |
0.0377 |
26,495 |
831.8 |
40 |
0.00314 |
9.888 |
0.00000777 |
0.0299 |
33,410 |
1,049 |
41 |
0.00280 |
7.842 |
0.00000616 |
0.0237 |
42,129 |
1,323 |
42 |
0.00249 |
6.219 |
0.00000488 |
0.0188 |
53,124 |
1,668 |
43 |
0.00222 |
4.932 |
0.00000387 |
0.0149 |
66,988 |
2,103 |
44 |
0.00198 |
3.911 |
0.00000307 |
0.0118 |
84,470 |
2,652 |
45 |
0.00176 |
3.102 |
0.00000244 |
0.0094 |
106,515 |
3,344 |
46 |
0.00157 |
2.460 |
0.00000193 |
0.0074 |
134,313 |
4,216 |
47 |
0.00140 |
1.951 |
0.00000153 |
0.0059 |
169,366 |
5,317 |
48 |
0.00124 |
1.547 |
0.00000121 |
0.0047 |
213,566 |
6,704 |
49 |
0.00111 |
1.227 |
0.000000963 |
0.0037 |
269,302 |
8,454 |
50 |
0.00099 |
0.9728 |
0.000000764 |
0.0029 |
339,583 |
10,661 |
51 |
0.00088 |
0.7715 |
0.000000606 |
0.0023 |
428,207 |
13,443 |
52 |
0.00078 |
0.6118 |
0.000000481 |
0.0019 |
539,959 |
16,951 |
53 |
0.00070 |
0.4852 |
0.000000381 |
0.0015 |
680,876 |
21,375 |
54 |
0.00062 |
0.3848 |
0.000000302 |
0.0012 |
858,568 |
26,953 |
55 |
0.00055 |
0.3051 |
0.000000240 |
0.00092 |
1,082,635 |
33,987 |
56 |
0.00049 |
0.2420 |
0.000000190 |
0.00073 |
1,365,177 |
42,857 |
57 |
0.00044 |
0.1919 |
0.000000151 |
0.00058 |
1,721,456 |
54,042 |
58 |
0.00039 |
0.1522 |
0.000000120 |
0.00046 |
2,170,716 |
68,145 |
59 |
0.00035 |
0.1207 |
0.000000095 |
0.00037 |
2,737,223 |
85,930 |
60 |
0.00031 |
0.0957 |
0.000000075 |
0.00029 |
3,451,574 |
108,355 |
Nominal values for annealed copper (C110)
AWG |
Diameter |
Cross-sectional Area |
Weight |
Length |
Resistance @ 20°C |
mm |
CMA |
mm² |
kg/km |
m/kg |
ohm/km |
1 |
7.348 |
83,693 |
42.41 |
377.0 |
2.652 |
0.4066 |
2 |
6.544 |
66,371 |
33.63 |
299.0 |
3.345 |
0.5127 |
3 |
5.827 |
52,635 |
26.67 |
237.1 |
4.218 |
0.6464 |
4 |
5.189 |
41,741 |
21.15 |
188.0 |
5.318 |
0.8152 |
5 |
4.621 |
33,102 |
16.77 |
149.1 |
6.706 |
1.028 |
6 |
4.115 |
26,251 |
13.30 |
118.3 |
8.456 |
1.296 |
7 |
3.665 |
20,818 |
10.55 |
93.78 |
10.66 |
1.634 |
8 |
3.264 |
16,510 |
8.366 |
74.37 |
13.45 |
2.061 |
9 |
2.906 |
13,093 |
6.634 |
58.98 |
16.96 |
2.599 |
10 |
2.588 |
10,383 |
5.261 |
46.77 |
21.38 |
3.277 |
11 |
2.305 |
8,234 |
4.172 |
37.09 |
26.96 |
4.132 |
12 |
2.053 |
6,530 |
3.309 |
29.41 |
34.00 |
5.211 |
13 |
1.828 |
5,178 |
2.624 |
23.33 |
42.87 |
6.571 |
14 |
1.628 |
4,107 |
2.081 |
18.50 |
54.06 |
8.285 |
15 |
1.450 |
3,257 |
1.650 |
14.67 |
68.16 |
10.45 |
16 |
1.291 |
2,583 |
1.309 |
11.63 |
85.95 |
13.17 |
17 |
1.150 |
2,048 |
1.038 |
9.226 |
108.4 |
16.61 |
18 |
1.024 |
1,624 |
0.823 |
7.317 |
136.7 |
20.95 |
19 |
0.9116 |
1,288 |
0.6527 |
5.803 |
172.3 |
26.41 |
20 |
0.8118 |
1,022 |
0.5176 |
4.602 |
217.3 |
33.31 |
21 |
0.7229 |
810.1 |
0.4105 |
3.649 |
274.0 |
42.00 |
22 |
0.6438 |
642.4 |
0.3255 |
2.894 |
345.5 |
52.96 |
23 |
0.5733 |
509.5 |
0.2582 |
2.295 |
435.7 |
66.78 |
24 |
0.5106 |
404.0 |
0.2047 |
1.820 |
549.4 |
84.21 |
25 |
0.4547 |
320.4 |
0.1624 |
1.443 |
692.8 |
106.2 |
26 |
0.4049 |
254.1 |
0.1288 |
1.145 |
873.6 |
133.9 |
27 |
0.3606 |
201.5 |
0.1021 |
0.9077 |
1,102 |
168.9 |
28 |
0.3211 |
159.8 |
0.08098 |
0.7199 |
1,389 |
212.9 |
29 |
0.2859 |
126.7 |
0.06422 |
0.5709 |
1,752 |
268.5 |
30 |
0.2546 |
100.5 |
0.05093 |
0.4527 |
2,209 |
338.5 |
31 |
0.2268 |
79.70 |
0.04039 |
0.3590 |
2,785 |
426.9 |
32 |
0.2019 |
63.21 |
0.03203 |
0.2847 |
3,512 |
538.3 |
33 |
0.1798 |
50.13 |
0.02540 |
0.2258 |
4,429 |
678.8 |
34 |
0.1601 |
39.75 |
0.02014 |
0.1791 |
5,585 |
856.0 |
35 |
0.1426 |
31.52 |
0.01597 |
0.1420 |
7,042 |
1,079 |
36 |
0.1270 |
25.00 |
0.01267 |
0.1126 |
8,880 |
1,361 |
37 |
0.1131 |
19.83 |
0.01005 |
0.0893 |
11,197 |
1,716 |
38 |
0.1007 |
15.72 |
0.00797 |
0.0708 |
14,119 |
2,164 |
39 |
0.08969 |
12.47 |
0.00632 |
0.0562 |
17,804 |
2,729 |
40 |
0.07987 |
9.888 |
0.00501 |
0.0445 |
22,451 |
3,441 |
41 |
0.07113 |
7.842 |
0.00397 |
0.0353 |
28,310 |
4,339 |
42 |
0.06334 |
6.219 |
0.00315 |
0.0280 |
35,698 |
5,472 |
43 |
0.05641 |
4.932 |
0.00250 |
0.0222 |
45,014 |
6,899 |
44 |
0.05023 |
3.911 |
0.00198 |
0.0176 |
56,762 |
8,700 |
45 |
0.04473 |
3.102 |
0.00157 |
0.0140 |
71,576 |
10,971 |
46 |
0.03984 |
2.460 |
0.00125 |
0.0111 |
90,255 |
13,834 |
47 |
0.03547 |
1.951 |
0.00099 |
0.00879 |
113,810 |
17,444 |
48 |
0.03159 |
1.547 |
0.00078 |
0.00697 |
143,511 |
21,996 |
49 |
0.02813 |
1.227 |
0.00062 |
0.00553 |
180,964 |
27,737 |
50 |
0.02505 |
0.9728 |
0.00049 |
0.00438 |
228,192 |
34,976 |
51 |
0.02231 |
0.7715 |
0.00039 |
0.00348 |
287,744 |
44,103 |
52 |
0.01987 |
0.6118 |
0.00031 |
0.00276 |
362,839 |
55,613 |
53 |
0.01769 |
0.4852 |
0.00025 |
0.00219 |
457,532 |
70,127 |
54 |
0.01576 |
0.3848 |
0.00019 |
0.00173 |
576,937 |
88,429 |
55 |
0.01403 |
0.3051 |
0.00015 |
0.00137 |
727,504 |
111,506 |
56 |
0.01249 |
0.2420 |
0.00012 |
0.00109 |
917,365 |
140,607 |
57 |
0.01113 |
0.1919 |
0.00010 |
0.00086 |
1,156,776 |
177,302 |
58 |
0.00991 |
0.1522 |
0.000077 |
0.00069 |
1,458,668 |
223,574 |
59 |
0.00882 |
0.1207 |
0.000061 |
0.00054 |
1,839,346 |
281,922 |
60 |
0.00786 |
0.0957 |
0.000048 |
0.00043 |
2,319,373 |
355,496 |