Southwire® Conduit Fill Calc

Southwire® Conduit Fill Calc

Southwire Company

Available on Google Play
4.0(369)
100,000+ installsFreeTools

Updated Jun 15, 2026 · v2.5

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Southwire Conduit Fill Calc calculates Conduit Fill % as per NEC Guidelines.

Southwire has created this great tool to help electricians, engineers and contractors answer the question, “What size conduit do I use” per the NEC®, includes fill percentages and jam probability. If you do not have the NEC book handy or do not want to spend time manually calculating the Conduit Fill %, this is the right app for you. The app provides quick and easy navigation. Enter the Conduit Type and Size and specify your conductors. The App will calculate the Conduit Fill % as per NEC Guidelines. Southwire Company is North America’s leading manufacturer of wire and cable used in the distribution transmission of electricity. Throughout its history, our company has sought to deliver power through our products, our service and by helping empower our customers, employees and communities. The App Answers the question, “What size conduit do I use” includes fill percentages and jam probability per the NEC®. With one click, you can email your results.

Released
October 25, 2012

13 years on Google Play

Version
2.5
Updated
Jun 15, 2026
Content Rating
Everyone
Installs
100,000+
Developer
Southwire Company
Website
http://www.southwire.com/apps
Email
app_support@southwire.com
In-app purchases
No

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Rating breakdown

5
228
4
44
3
11
2
22
1
61