Instant answers to help better navigate your job site calculations.

Access Southwire’s Free Calculating Tools

To help you work most efficiently, we've created a number of calculating tools to aid in your wire and cable installations.
Voltage Drop Calculator
Helps determine the proper wire size for an electrical circuit based on the voltage drop and current carrying capacity of an electrical circuit.
SIMpull ® Cable Pull Calculator
Helps to estimate and manage cable installation projects. Provides the ability to alter data that indicates tension or sidewall pressure.
Configurator Plus™ Web App
Optimizes jobsite installations with faster quotes and direct wire requests.
Conduit Fill Calculator
Conduit Fill is the percent of area inside the conduit taken up by the cable(s). Provides quick and easy results for the conduit fill percent, per NEC® guidelines.
Re3™ MCAP ® Cost Calculator
Quickly and easily illustrates the potential labor cost savings when using MCAP ® cable in place of traditional MC cable.
Lighting Calculator
See how much you can save by switching your traditional temporary lighting to LED.
Re3™ VFD Cable Selector
Select the properly sized VFD cables for your specific installation based on application temperature, drive horsepower, and operating voltage.
Re3™ Power Conversion Calculator
For AC & DC Electrical Systems in Transportation (EV, Rail, Airports), Renewable Power (Solar, Wind, BESS), Utility and Commercial Buildings.
Re3TM Concentric Neutral Calculator
Calculate your best concentric neutral configuration for Medium Voltage Cables based on ICEA S-94-649 standard for Utility and Renewable (Solar, Wind, BESS) applications.
Re3TM CIC Labor Saving Calculator
The industry’s first estimator showing the reduction of installation labor for Southwire®  Cable-in-Conduit (CIC) compared to pulling cables into PVC ducts.