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Wire Gauge Calculator
Find the recommended AWG wire size for your circuit
Current (Amps)
Voltage (V)
12V DC
24V DC
120V AC
240V AC
480V AC
One-way Distance (ft)
Max Voltage Drop (%)
2%
3%
5%
Material
Copper
Aluminum
Phase
Single Phase
Three Phase
Calculate Wire Size
AWG Reference Chart
Common wire gauges with ampacity and properties
AWG
Diameter (mm)
Area (mm2)
Resistance (ohm/km Cu)
Ampacity (Cu 60C)