Southwire® Conduit Fill Calc
Southwire Conduit Fill Calc calculates Conduit Fill % as per NEC Guidelines.
About Southwire® Conduit Fill Calc
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.
Southwire® Conduit Fill Calc details
Southwire® Conduit Fill Calc is a free Tools app for Android with 100,000+ installs on Google Play and a 3.9/5 average rating from 372 ratings. It was released on October 25, 2012 and last updated on June 15, 2026. It's developed by Southwire Company. It requires Android 8.0 or later.
- Category
- Tools
- Rating
- 3.9 / 5 (372 ratings)
- Installs
- 100,000+
- Price
- Free
- In-app purchases
- No
- Ads
- No ads
- Current version
- 2.5
- Requires Android
- 8.0
- Content rating
- Everyone
- Released
- October 25, 2012
- Last updated
- June 15, 2026
- Developer
- Southwire Company
What’s new in Southwire® Conduit Fill Calc
Improved navigation. Added new banner and improved the look of the button that takes you to the user-defined outer diameters screen.
Version 2.5 · Updated June 15, 2026
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Frequently Asked Questions (FAQ)
Who created the Southwire Conduit Fill Calc?
What is the purpose of the Southwire Conduit Fill Calc?
How does the Southwire Conduit Fill Calc work?
What company is Southwire?
Can the results from the Southwire Conduit Fill Calc be emailed?
