Diameter Copper = DC = 0.005 * 2.54 * 92 ^((36 - AWG)/39)
Area Copper = AC = ( DC / 2 )^2 * PI
Diameter Insulated = DC + 0.028 *(DC)^0.5 Assume Heavy Insulation
Resistance per cm = 1.724 * 10^-3 * ( 1 + (C - 20)*0.0039) / AC
| AWG |
Diameter
Copper
(cm) |
Area
Copper
(cm) |
Diameter
Insulated
(cm) |
Area
Insulated
(cm2) |
mOhms / cm
20C |
mOhms / cm
100C |
AMPS
for
450A/cm2 |
| 0000 |
1.1684 |
1.072193 |
1.1987 |
1.128460 |
0.0016 |
0.0021 |
482.4869 |
| 000 |
1.0405 |
0.850288 |
1.0691 |
0.897609 |
0.0020 |
0.0027 |
382.6295 |
| 00 |
0.9266 |
0.674309 |
0.9535 |
0.714108 |
0.0026 |
0.0034 |
303.4390 |
| 0 |
0.8251 |
0.534751 |
0.8506 |
0.568226 |
0.0032 |
0.0042 |
240.6380 |
| 1 |
0.7348 |
0.424077 |
0.7588 |
0.452234 |
0.0041 |
0.0053 |
190.8346 |
| 2 |
0.6544 |
0.336308 |
0.6770 |
0.359993 |
0.0051 |
0.0067 |
151.3388 |
| 3 |
0.5827 |
0.266705 |
0.6041 |
0.286629 |
0.0065 |
0.0085 |
120.0171 |
| 4 |
0.5189 |
0.211506 |
0.5391 |
0.228268 |
0.0082 |
0.0107 |
95.1779 |
| 5 |
0.4621 |
0.167732 |
0.4812 |
0.181834 |
0.0103 |
0.0135 |
75.4795 |
|
6 |
0.4115 |
0.133018 |
0.4295 |
0.144883 |
0.0130 |
0.0170 |
59.8580 |
|
7 |
0.3665 |
0.105488 |
0.3834 |
0.115472 |
0.0163 |
0.0214 |
47.4695 |
|
8 |
0.3264 |
0.083656 |
0.3424 |
0.092057 |
0.0206 |
0.0270 |
37.6450 |
|
9 |
0.2906 |
0.066342 |
0.3057 |
0.073412 |
0.0260 |
0.0341 |
29.8539 |
|
10 |
0.2588 |
0.052612 |
0.2731 |
0.058562 |
0.0328 |
0.0430 |
23.6752 |
|
11 |
0.2305 |
0.041723 |
0.2439 |
0.046732 |
0.0413 |
0.0542 |
18.7753 |
|
12 |
0.2053 |
0.033088 |
0.2179 |
0.037304 |
0.0521 |
0.0684 |
14.8895 |
|
13 |
0.1828 |
0.026240 |
0.1948 |
0.029789 |
0.0657 |
0.0862 |
11.8079 |
|
14 |
0.1628 |
0.020809 |
0.1741 |
0.023798 |
0.0828 |
0.1087 |
9.3641 |
|
15 |
0.1450 |
0.016502 |
0.1556 |
0.019019 |
0.1045 |
0.1371 |
7.4261 |
|
16 |
0.1291 |
0.013087 |
0.1391 |
0.015206 |
0.1317 |
0.1728 |
5.8891 |
|
17 |
0.1150 |
0.010378 |
0.1244 |
0.012163 |
0.1661 |
0.2280 |
4.6703 |
|
18 |
0.1024 |
0.008230 |
0.1113 |
0.009734 |
0.2095 |
0.2748 |
3.7037 |
|
19 |
0.0912 |
0.006527 |
0.0996 |
0.007794 |
0.2641 |
0.3466 |
2.9372 |
|
20 |
0.0812 |
0.005176 |
0.0892 |
0.006244 |
0.3331 |
0.4370 |
2.3293 |
|
21 |
0.0723 |
0.004105 |
0.0798 |
0.005004 |
0.4200 |
0.5510 |
1.8472 |
|
22 |
0.0644 |
0.003255 |
0.0715 |
0.004013 |
0.5296 |
0.6949 |
1.4649 |
|
23 |
0.0573 |
0.002582 |
0.0640 |
0.003221 |
0.6678 |
0.8762 |
1.1617 |
|
24 |
0.0511 |
0.002047 |
0.0574 |
0.002586 |
0.8421 |
1.1049 |
0.9213 |
|
25 |
0.0455 |
0.001624 |
0.0514 |
0.002078 |
1.0618 |
1.3932 |
0.7306 |
|
26 |
0.0405 |
0.001288 |
0.0461 |
0.001671 |
1.3390 |
1.7568 |
0.5794 |
|
27 |
0.0361 |
0.001021 |
0.0414 |
0.001344 |
1.6884 |
2.2153 |
0.4595 |
|
28 |
0.0321 |
0.000810 |
0.0371 |
0.001083 |
2.1290 |
2.7934 |
0.3644 |
|
29 |
0.0286 |
0.000642 |
0.0333 |
0.000872 |
2.6847 |
3.5225 |
0.2890 |
|
30 |
0.0255 |
0.000509 |
0.0299 |
0.000704 |
3.3853 |
4.4417 |
0.2292 |
|
31 |
0.0227 |
0.000404 |
0.0269 |
0.000568 |
4.2688 |
5.6009 |
0.1817 |
|
32 |
0.0202 |
0.000320 |
0.0242 |
0.000459 |
5.3828 |
7.0626 |
0.1441 |
|
33 |
0.0180 |
0.000254 |
0.0217 |
0.000371 |
6.7876 |
8.9058 |
0.1143 |
| 34 |
0.0160 |
0.000201 |
0.0196 |
0.000300 |
8.5591 |
11.2300 |
0.0906 |
| 35 |
0.0143 |
0.000160 |
0.0176 |
0.000243 |
10.7928 |
14.1608 |
0.0719 |
| 36 |
0.0127 |
0.000127 |
0.0159 |
0.000197 |
13.6094 |
17.8565 |
0.0570 |
| 37 |
0.0113 |
0.000100 |
0.0143 |
0.000160 |
17.1612 |
22.5166 |
0.0452 |
| 38 |
0.0101 |
0.000080 |
0.0129 |
0.000130 |
21.6398 |
28.3929 |
0.0359 |
| 39 |
0.0090 |
0.000063 |
0.0116 |
0.000106 |
27.2873 |
35.8028 |
0.0284 |
| 40 |
0.0080 |
0.000050 |
0.0105 |
0.000086 |
34.4087 |
45.1464 |
0.0225 |
| 41 |
0.0071 |
0.000040 |
0.0095 |
0.000070 |
43.3886 |
56.9286 |
0.0179 |
| 42 |
0.0063 |
0.000032 |
0.0086 |
0.000058 |
54.7120 |
71.7857 |
0.0142 |
| 43 |
0.0056 |
0.000025 |
0.0077 |
0.000047 |
68.9905 |
90.5200 |
0.0112 |
| 44 |
0.0050 |
0.000020 |
0.0070 |
0.000039 |
86.9954 |
114.1437 |
0.0089 |
| 45 |
0.0045 |
0.000016 |
0.0063 |
0.000032 |
109.6992 |
143.9325 |
0.0071 |