American Wire Gauge

American Wire Gauge (AWG) is a logarithmic stepped standardized wire gauge system used for the diameters of round, solid, nonferrous, electrically conducting wire. The measurement originated by counting the number of times the wire needed to be drawn through a die to reach the desired size. Because of this, the sizes are inversely and logarithmically proportional, meaning larger wires have a smaller AWG value.

The AWG gauge wire diameter (dAWG) in inches can be calculated using the following equation: dAWG = 0.005 × 92(36 - AWG) / 39. The AWG gauge wire diameter (dAWG) in millimeters can be calculated using the following equation: dAWG = 0.127 × 92(36 - AWG) / 39.

The AWG gauge wire's cross sectional area (AAWG) in square inches can be calculated using the following equation: AAWG = 0.000019635 × 92(36 - AWG) / 19.5. The AWG gauge wire's cross sectional area (AAWG) in square millimeters can be calculated using the following equation: AAWG = 0.012668 × 92(36 - AWG) / 19.5.

AWG Wire diameter (in) Wire diameter (mm) Wire cross section (mm²) Ohms per 1000 ft. Ohms per km Maximum amps for chassis wiring Maximum amps for power transmission Maximum frequency for 100% skin depth for solid wire copper Breaking force Soft Annealed Cu 37000 PSI
0000 (4/0) 0.46 11.684 107 0.049 0.16072 380 302 125 Hz 6120 lbs
000 (3/0) 0.4096 10.40384 84.9 0.0618 0.202704 328 239 160 Hz 4860 lbs
00 (2/0) 0.3648 9.26592 67.4 0.0779 0.255512 283 190 200 Hz 3860 lbs
0 (1/0) 0.3249 8.25246 53.5 0.0983 0.322424 245 150 250 Hz 3060 lbs
1 0.2893 7.34822 42.4 0.1239 0.406392 211 119 325 Hz 2430 lbs
2 0.2576 6.54304 33.6 0.1563 0.512664 181 94 410 Hz 1930 lbs
3 0.2294 5.82676 26.7 0.197 0.64616 158 75 500 Hz 1530 lbs
4 0.2043 5.18922 21.1 0.2485 0.81508 135 60 650 Hz 1210 lbs
5 0.1819 4.62026 16.8 0.3133 1.027624 118 47 810 Hz 960 lbs
6 0.162 4.1148 13.3 0.3951 1.295928 101 37 1100 Hz 760 lbs
7 0.1443 3.66522 10.6 0.4982 1.634096 89 30 1300 Hz 605 lbs
8 0.1285 3.2639 8.37 0.6282 2.060496 73 24 1650 Hz 480 lbs
9 0.1144 2.90576 6.63 0.7921 2.598088 64 19 2050 Hz 380 lbs
10 0.1019 2.58826 5.26 0.9989 3.276392 55 15 2600 Hz 314 lbs
11 0.0907 2.30378 4.17 1.26 4.1328 47 12 3200 Hz 249 lbs
12 0.0808 2.05232 3.31 1.588 5.20864 41 9.3 4150 Hz 197 lbs
13 0.072 1.8288 2.63 2.003 6.56984 35 7.4 5300 Hz 150 lbs
14 0.0641 1.62814 2.08 2.525 8.282 32 5.9 6700 Hz 119 lbs
15 0.0571 1.45034 1.65 3.184 10.44352 28 4.7 8250 Hz 94 lbs
16 0.0508 1.29032 1.31 4.016 13.17248 22 3.7 11 kHz 75 lbs
17 0.0453 1.15062 1.04 5.064 16.60992 19 2.9 13 kHz 59 lbs
18 0.0403 1.02362 0.823 6.385 20.9428 16 2.3 17 kHz 47 lbs
19 0.0359 0.91186 0.653 8.051 26.40728 14 1.8 21 kHz 37 lbs
20 0.032 0.8128 0.519 10.15 33.292 11 1.5 27 kHz 29 lbs
21 0.0285 0.7239 0.412 12.8 41.984 9 1.2 33 kHz 23 lbs
22 0.0253 0.64516 0.327 16.14 52.9392 7 0.92 42 kHz 18 lbs
23 0.0226 0.57404 0.259 20.36 66.7808 4.7 0.729 53 kHz 14.5 lbs
24 0.0201 0.51054 0.205 25.67 84.1976 3.5 0.577 68 kHz 11.5 lbs
25 0.0179 0.45466 0.162 32.37 106.1736 2.7 0.457 85 kHz 9 lbs
26 0.0159 0.40386 0.128 40.81 133.8568 2.2 0.361 107 kHz 7.2 lbs
27 0.0142 0.36068 0.102 51.47 168.8216 1.7 0.288 130 kHz 5.5 lbs
28 0.0126 0.32004 0.080 64.9 212.872 1.4 0.226 170 kHz 4.5 lbs
29 0.0113 0.28702 0.0647 81.83 268.4024 1.2 0.182 210 kHz 3.6 lbs
30 0.01 0.254 0.0507 103.2 338.496 0.86 0.142 270 kHz 2.75 lbs
31 0.0089 0.22606 0.0401 130.1 426.728 0.7 0.113 340 kHz 2.25 lbs
32 0.008 0.2032 0.0324 164.1 538.248 0.53 0.091 430 kHz 1.8 lbs
33 0.0071 0.18034 0.0255 206.9 678.632 0.43 0.072 540 kHz 1.3 lbs
34 0.0063 0.16002 0.0201 260.9 855.752 0.33 0.056 690 kHz 1.1 lbs
35 0.0056 0.14224 0.0159 329 1079.12 0.27 0.044 870 kHz 0.92 lbs
36 0.005 0.127 0.0127 414.8 1360 0.21 0.035 1100 kHz 0.72 lbs
37 0.0045 0.1143 0.0103 523.1 1715 0.17 0.0289 1350 kHz 0.57 lbs
38 0.004 0.1016 0.00811 659.6 2163 0.13 0.0228 1750 kHz 0.45 lbs
39 0.0035 0.0889 0.00621 831.8 2728 0.11 0.0175 2250 kHz 0.36 lbs
40 0.0031 0.07874 0.00487 1049 3440 0.09 0.0137 2900 kHz 0.29 lbs

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Measurement History Events
Yesterday Today Tomorrow
11/21/1877
Introduction of the first phonograph
Introduction of the first phonograph
11/21/1905
Publication of Einstein’s article "Does the Inertia of a Body Depend Upon Its Energy Content?"
Publication of Einstein’s article "Does the Inertia of a Body Depend Upon Its Energy Content?"

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