Fillable Printable Wire Gauge Quick Reference Chart
Fillable Printable Wire Gauge Quick Reference Chart
Wire Gauge Quick Reference Chart
NEC copper wire
Approximate
ampacity with 60/75/ stranded metric
(
inch
)
(
mm
)
(
/inch
)
(
/cm
)
(
kcmil
)
(
mm²
)
(
Ω/km
)
(
mΩ/ft
)
90°C racewa
y
(
A
)
equivalents
0000
(
4/0
)
0.46 11.684 2.17 0.856 212 107 0.1608 0.04901 195 / 230 / 260
000
(
3/0
)
0.4096 10.404 2.44 0.961 168 85 0.2028 0.0618 165 / 200 / 225
00
(
2/0
)
0.3648 9.266 2.74 1.08 133 67.4 0.2557 0.07793 145 / 175 / 195
0
(
1/0
)
0.3249 8.252 3.08 1.21 106 53.5 0.3224 0.09827 125 / 150 / 170
1 0.2893 7.348 3.46 1.36 83.7 42.4 0.4066 0.1239 110 / 130 / 150
2 0.2576 6.544 3.88 1.53 66.4 33.6 0.5127 0.1563 95 / 115 / 130
3 0.2294 5.827 4.36 1.72 52.6 26.7 0.6465 0.197 85 / 100 / 110 196/0.4
4 0.2043 5.189 4.89 1.93 41.7 21.2 0.8152 0.2485 70 / 85 / 95
4.0/6213313.0820.18.611.3361.25.5126.49181.05
6 0.162 4.115 6.17 2.43 26.3 13.3 1.296 0.3951 55 / 65 / 75
4.0/082894.0436.15.018.0237.239.6566.33441.07
8 0.1285 3.264 7.78 3.06 16.5 8.37 2.061 0.6282 40 / 50 / 55
9 0.1144 2.906 8.74 3.44 13.1 6.63 2.599 0.7921
10 0.1019 2.588 9.81 3.86 10.4 5.26 3.277 0.9989 30 / 35 / 40
3.0/6562.1231.471.432.843.411503.27090.011
12 0.0808 2.053 12.4 4.87 6.53 3.31 5.211 1.588 25 / 25 / 30 (20)
52.0/05300.2175.626
.281.574.59.31828.1270.031
14 0.0641 1.628 15.6 6.14 4.11 2.08 8.286 2.525 20 / 20 / 25 (15)
15 0.0571 1.45 17.5 6.9 3.26 1.65 10.45 3.184
16 0.0508 1.291 19.7 7.75 2.58 1.31 13.17 4.016 — / — / 18 (10)
2.0/23460.516.6140.150.27.81.2251.13540.071
18 0.0403 1.024 24.8 9.77 1.62 0.823 20.95 6.385 — / — / 14 (7)
19 0.0359 0.912 27.9 11 1.29 0.653 26.42 8.051
2.0/6151.0113.33815.020.13.213.13218.0230.002
21 0.0285 0.723 35.1 13.8 0.81 0.41 42 12.8
52.0/741.6169.25623.0246.05.515.93446.03520.022
23 0.0226 0.573 44.3 17.4 0.509 0.258 66.79 20.36
1.0/03 ,2.0/7 ,5.0/176.5222.48502.0404.06.917.94115.01020.042
25 0.0179 0.455 55.9 22 0.32 0.162 106.2 32.37
51.0/718.049.331921.0452.07.427.2650
4.09510.062
27 0.0142 0.361 70.4 27.7 0.202 0.102 168.9 51.47
28 0.0126 0.321 79.1 31.1 0.16 0.081 212.9 64.9
29 0.0113 0.286 88.8 35 0.127 0.0642 268.5 81.84
1.0/7 ,52.0/12.3016.8339050.0101.03.937.99552.010.003
31 0.00893 0.227 112 44.1 0.0797 0.0404 426.9 130.1
32 0.00795 0.202 126 49.5 0.0632 0.032 538.3 164.1
33 0.00708 0.18 141 55.6 0.0501 0.0254 678.8 206.9
34 0.0063 0.16 159 62.4 0.0398 0.0201 856 260.9
35 0.00561 0.143 178 70.1 0.0315 0.016 1079 329
36 0.005 0.127 200 78.7 0.025 0.0127 1361 414.8
37 0.00445 0.113 225 88.4 0.0198 0.01 1716 523.1
38 0.00397 0.101 252 99.3 0.0157 0.00797 2164 659.6
39 0.00353 0.0897 283 111 0.0125 0.00632 2729 831.8
40 0.00314 0.0799 318 125 0.00989 0.00501 3441 1049
*Turns of wire is on a best-case scenario when winding tightly packed coils with no insulation.
AWG
Diameter Turns of wire Area*
24/0.2
Copper
resistance
84/0.3
30/0.25
AWG WIRE GAUGE QUICK REFERENCE CHART
