Electrical & Electronics
Wire Gauge Calculator
Find the correct wire gauge (AWG) for your electrical project based on current, distance, and voltage drop.
AWG Wire Size & Ampacity
Find the correct wire gauge for your project based on current, distance, and acceptable voltage drop.
AWG Reference
| AWG | Diameter (mm) | Max Amps (copper) | Ω/1000ft |
|---|---|---|---|
| 14 | 1.63 | 15A | 2.525 |
| 12 | 2.05 | 20A | 1.588 |
| 10 | 2.59 | 30A | 0.999 |
| 8 | 3.26 | 40A | 0.628 |
| 6 | 4.11 | 55A | 0.395 |
| 4 | 5.19 | 70A | 0.249 |
| 2 | 6.54 | 95A | 0.156 |