Wire Parameter Calculator September 20, 2007
This Javascript web calculator will calculate the resistance and ampacity for copper wire based on the gauge. Both metric (mm) and American Wire Gauge (AWG) are supported. Note: Ampacity is based on a curve fit to MIL-STD-975. To see the wire table that this calculator is based on as well as important information about wire insulation temperature ratings, click here.
Features:
- Results update as you type
- Several choices of units
- Units and other settings are saved between sessions
- Blog format allows user comments
Inputs:
| Wire Size |
Optional Inputs:
| Wire Temperature | Deg. | |
| Wire Length | ||
| Number of Wires in Bundle |
Results (per each wire):
| Resistance | Ohms | |
| Single Wire Ampacity | Amps | |
| Wire Bundle Ampacity (per wire) | Amps | |
| Copper Diameter | ||
| Copper Area | ||
| Copper Weight |