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.

Voltage Drop Calculator

SIMpull ® Cable Pull Calculator

Helps to estimate and manage cable installation projects. Provides the ability to alter data that indicates tension or sidewall pressure.

SIMpull Calculator

Configurator Plus™ Web App

Optimizes jobsite installations with faster quotes and direct wire requests.

Configurator Plus Web App

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.

Conduit Fill Calculator

MCAP ® Cost Calculator

Quickly and easily illustrates the potential labor cost savings when using MCAP ® cable in place of traditional MC cable.

MCAP Calculator

Lighting Calculator

See how much you can save by switching your traditional temporary lighting to LED.

LED Lighting Savings Calculator

VFD Cable Selector

Select the properly sized VFD cables for your specific installation based on application temperature, drive horsepower, and operating voltage.

VFD Calculator