Wire Gauge Calculator
Calculate the right wire gauge for your DC system

Total power draw

Distance from power source to load

Results

Recommended Wire Gauge

6AWG

Minimum gauge to meet voltage drop requirement

Current Draw

41.7Amps

At specified wattage and voltage

Max Voltage Loss

0.36V

3% of 12V

Wire Gauge Reference

AWGMax Amps (chassis)Common Use
1415ASmall loads, LED lights
1220AModerate loads
1030ALarger loads, short runs
840AHigh current, fridge
655AInverter connections
470ALarge inverters
295ABattery banks
1/0125AHigh power systems