Calculate wire sizes and current capacity for your electrical projects
1. Select your preferred wire gauge system (AWG, SWG, or metric) 2. Enter the wire gauge number or diameter 3. View the calculated results including cross-sectional area and current capacity 4. Use the conversion feature to compare between different gauge systems
The current capacity shown is theoretical and based on current density alone. Always follow local electrical codes and consider factors like insulation type, ambient temperature, and installation method when selecting wire sizes.
| AWG | Diameter (mm) | Common Applications |
|---|---|---|
| 0000 (4/0) | 11.684 | Battery cables, welding cables |
| 2 | 6.544 | Service entrance cables |
| 12 | 2.053 | Household wiring |
| 22 | 0.644 | Low voltage electronics |