Wire Size Calculator
Calculate the correct wire gauge for your 12V or 24V circuits based on current draw, wire length, and acceptable voltage drop.
Input Parameters
Enter your circuit details below
Max current draw of your device/circuit
Distance from battery/fuse to device
3% is ideal for most applications
AWG Wire Reference
Common wire gauges and their specifications
| AWG | Area (mm²) | Max Amps | Common Uses |
|---|---|---|---|
| 18 | 0.82 | 10A | LED lights, sensors |
| 14 | 2.08 | 20A | Outlets, lights |
| 10 | 5.26 | 35A | Fridge, water pump |
| 6 | 13.3 | 65A | Solar panels |
| 4 | 21.2 | 85A | Inverter, alternator |
| 2/0 | 67.4 | 175A | Battery bank |