Wire Gauge (AWG) Calculator
Look up American Wire Gauge (AWG) specifications including maximum ampacity, wire diameter, resistance per foot, and cross-sectional area. Useful for electrical wiring projects.
Inputs
Actual current draw for voltage drop calculation
Results
Max Ampacity
20 A
Voltage Drop
4.76 V (4.0%)
Diameter
2.05 mm
Wire Gauge Specifications
| Parameter | Value |
|---|---|
| Wire Gauge | 12 AWG |
| Diameter | 80.8 mils (2.053 mm) |
| Cross-Section Area | 3.3089 mm² |
| Max Ampacity (60°C) | 20 A |
| Resistance per ft | 0.001588 Ω/ft |
| Total Resistance (round trip) | 0.3176 Ω |
| Voltage Drop | 4.764 V (3.97%) |
| Voltage Drop Status | Caution (3-5%) |
| Voltage at Load | 115.24 V |
| Power Lost in Wire | 71.46 W |