American Wire Gauge to Metric Conversion – Listed below are some of the most popular strandings, however, many other combinations exist. Resistance figures are approximate and are given for guidance only.
| AWG | Cross section mm2 | Stranding | Resistance Ohm/km |
| 38 | 0.008 | 1 x 0.10 | 2,125 |
| 38 | 0.009 | 7 x 0.04 | 1,930 |
| 36 | 0.013 | 1 x 0.12 | 1,360 |
| 36 | 0.014 | 7 x 0.05 | 1,217 |
| 34 | 0.020 | 1 x 0.16 | 856 |
| 34 | 0.022 | 7 x 0.06 | 777 |
| 32 | 0.032 | 1 x 0.20 | 538 |
| 32 | 0.034 | 7 x 0.08 | 538 |
| 32 | 0.035 | 19 x 0.05 | 446 |
| 30 | 0.051 | 1 x 0.25 | 338 |
| 30 | 0.057 | 7 x 0.10 | 338 |
| 30 | 0.059 | 19 x 0.06 | 286 |
| 28 | 0.080 | 1 x 0.32 | 213 |
| 28 | 0.089 | 7 x 0.12 | 213 |
| 28 | 0.090 | 19 x 0.08 | 186 |
| 26 | 0.128 | 1 x 0.40 | 134 |
| 26 | 0.141 | 7 x 0.16 | 122 |
| 26 | 0.155 | 19 x 0.10 | 113 |
| 24 | 0.205 | 1 x 0.51 | 84 |
| 24 | 0.227 | 7 x 0.20 | 76 |
| 24 | 0.241 | 19 x 0.12 | 69 |
| 22 | 0.324 | 1 x 0.64 | 53 |
| 22 | 0.355 | 1 x 0.25 | 48 |
| 22 | 0.382 | 19 x 0.16 | 45 |
| 20 | 0.519 | 1 x 0.81 | 33 |
| 20 | 0.563 | 7 x 0.32 | 30.4 |
| 20 | 0.616 | 19 x 0.20 | 28.3 |
| 18 | 0.785 | 16 x 0.25 | 21.2 |
| 18 | 0.823 | 1 x 1.02 | 20.9 |
| 18 | 0.90 | 7 x 0.40 | 19.2 |
| 18 | 0.96 | 19 x 0.25 | 17.9 |
| 16 | 1.30 | 1 x 1.29 | 13.2 |
| 16 | 1.23 | 19 x 0.28 | 14.0 |
| 14 | 2.08 | 1 x 1.62 | 8.28 |
| 14 | 1.94 | 19 x 0.36 | 8.86 |
| 12 | 3.31 | 1 x 2.05 | 5.20 |
| 12 | 3.08 | 19 x 0.45 | 5.58 |
| 10 | 5.26 | 1 x 2.58 | 3.28 |
| 10 | 5.26 | 19 x 0.6 | 3.28 |
| 8 | 8.38 | 1 x 3.26 | 2.06 |
| 8 | 8.35 | 19 x 0.75 | 2.06 |
| 6 | 13.29 | 1 x 4.11 | 1.59 |
| 6 | 13.29 | 19 x 0.96 | 1.59 |
| 4 | 21.15 | 1 x 5.18 | 0.815 |
| 4 | 21.14 | 19 x 1.19 | 0.815 |
| 2 | 33.63 | 1 x 6.54 | 0.513 |
| 2 | 33.61 | 19 x 1.50 | 0.513 |
| 1 | 42.41 | 1 x 7.34 | 0.424 |
| 1 | 42.38 | 19 x 1.68 | 0.424 |
| 1/0 | 53.4 | 19 x 1.89 | 0.253 |
| 2/0 | 67.4 | 19 x 2.17 | 0.291 |
| 4/0 | 107 | 19 x 2.68 | 0.182 |
| 250MCM | 127 | 37 x 2.09 | 0.139 |
| 300MCM | 152 | 37 x 2.29 | 0.119 |
| 350MCM | 177 | 37 x 2.47 | 0.102 |
| 400MCM | 202 | 37 x 2.64 | 0.091 |
| 500MCM | 253 | 37 x 2.95 | 0.072 |
List of Other Technical Tables & Useful Links
- Table 4D1A | Single-core 70°C Thermoplastic Insulated Cables, Non-Armoured, with or without Sheath
- Table 4D2A | Multicore 70°C Thermoplastic Insulated and Thermoplastic Sheathed Cables, Non-Armoured
- Table 4D2B | Voltage Drop (per ampere per metre): Conductor Operating Temperature: 70°C
- Table 4E1A | Current-carrying Capacity Single-Core 90°C Thermosetting Insulated Cables, Non-Armoured, with or without Sheath
- Table 4E1B | Voltage Drop Single-Core 90°C Thermosetting Insulated Cables, Non-Armoured, with or without Sheath
- Table 4E2A | Multi-Core 90°C Thermosetting Insulated Cables and thermoplastic Sheathed Cables, Non-Armoured
- Table 4E2B | Voltage Drop (per ampere per metre): Conductor Operating Temperature: 90°C
- Table 4E3A | Single-Core Armoured 90°C Thermosetting Insulated Cables, Non-Magnetic Armour
- Table 4E3B | Voltage Drop (per ampere per metre):Conductor Operating Temperature: 90°C
- Table 4E4A | Multicore 90°C Thermosetting Insulated Cables
- Table 4E4B | Voltage Drop (per ampere per metre):Conductor Operating Temperature: 90°C
- Table 4F1A | 60°C Thermosetting Insulated Flexible Cables with Sheath, Non-Armoured
- Table 4F1B | 60°C Thermosetting Insulated Flexible Cables
- Table 4F2A | 90°C and 180°C Thermosetting Insulated Flexible Cables with Sheath, Non-Armoured (Copper Conductors)
- Table 4F2B | Voltage Drop (per ampere per metre): Conductor Operating Temperature: 90°C
- Table 4F3A | Flexible Cords, Non-Armoured
- Table 4F3B | Voltage Drop (per ampere per meter): Conductor Operating Temperature: 60°C
- AWG/Metric Conversion
- Stranding Chart
- BS 5308 Colour Codes
- Harmonised Cable Core Colours
- Cable Certifications
- Cable Colours
- DIN 47100 European Colour Codes
- Fire Performance Cable Standards
- Voltage Drop Calculations
