Find the correct AWG wire gauge based on current, distance, and voltage drop.
| AWG | mm² | Max A | V drop | % |
|---|---|---|---|---|
| 14 | 2.08 | 15 | 4.97V | 4.1% |
| 12 | 3.31 | 20 | 3.13V | 2.6% |
| 10 | 5.26 | 30 | 1.97V | 1.6% |
| 8 | 8.37 | 40 | 1.24V | 1% |
| 6 | 13.3 | 55 | 0.78V | 0.7% |
| 4 | 21.15 | 70 | 0.49V | 0.4% |
| 2 | 33.62 | 95 | 0.31V | 0.3% |
| 1 | 42.41 | 110 | 0.24V | 0.2% |
| 1/0 | 53.5 | 125 | 0.19V | 0.2% |
| 2/0 | 67.4 | 145 | 0.15V | 0.1% |
| 3/0 | 85 | 165 | 0.12V | 0.1% |
Calculate voltage and current with our Ohm's law calculator, look up resistor values using the resistor calculator, or estimate your electricity bill with the electricity cost calculator.