AWG Wire Gauge & Circular Mil Mapper
Exact physical diameter mathematical equation: $d_n = 0.005 \times 92^{\frac{36-n}{39}}$ inches.
Live Gauge Dimension Converter
Diameter (Inches / mm)
0.0808 in (2.05 mm)
Circular Mils (CM)
6,530 CM
Cross Section ($mm^2$)
3.31 $mm^2$
NEC Chapter 9 Table 8 Reference Matrix
| AWG / kcmil | Dia (Inches) | Dia (mm) | Circular Mils | Area ($mm^2$) | Copper Ampacity (75°C) |
|---|---|---|---|---|---|
| 14 AWG | 0.0641 | 1.63 | 4,110 | 2.08 | 20 A |
| 12 AWG | 0.0808 | 2.05 | 6,530 | 3.31 | 25 A |
| 10 AWG | 0.1019 | 2.59 | 10,380 | 5.26 | 35 A |
| 8 AWG | 0.1285 | 3.26 | 16,510 | 8.37 | 50 A |
| 6 AWG | 0.1620 | 4.11 | 26,240 | 13.30 | 65 A |
| 4 AWG | 0.2043 | 5.19 | 41,740 | 21.15 | 85 A |
| 1/0 AWG | 0.3249 | 8.25 | 105,600 | 53.49 | 150 A |
| 4/0 AWG | 0.4600 | 11.68 | 211,600 | 107.22 | 230 A |
| 250 kcmil | 0.5000 | 12.70 | 250,000 | 126.68 | 255 A |