General Cable’s Conduit Fill calculator is a quick and easy tool to calculate the minimum conduit size per National Electrical Code. It is designed for engineers, contractors, and other electrical professionals to find quick answers without spending hours on lengthy calculations.


Code Selection for NEC® 2011, 2014, and 2017.

Metric or standard conductors

Allowable fill rates for combination of conductors

Calculates minimum conduit size for compact stranded conductors

Over fifty different types of insulation

Over ten different conduit types

Results show total area required, nipple size, and minimum conduit size

General Cable (NYSE:BGC), a Fortune 500 company, has been a wire and cable innovator for over 165 years. With more than 14,000 associates, we are one of the largest wire and cable manufacturers in the world.

What’s New

Version 2.2.4

- Version 2.2.4 -
- Bug fixes, SDK updates, and support for new screen sizes.

App Privacy

The developer, General Cable Corporation, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Identifiers
  • Usage Data

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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