Reviews of Southwire® Conduit Fill Calc

By: Southwire Company App

List of user reviews and ratings for Southwire® Conduit Fill Calc

Total ratings

4.00 (Rating count: 368)

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Review summary

Review highlights: Easy-to-use, practical conduit-fill tool that electricians rely on; long track record (10+ years) and fast, simple results. Key drawbacks center on Android compatibility and reliability. Many reviews report license agreement UI issues (hard to tap the Agree button) and other input/submit problems that prevent first-use. Others note inaccurate conduit size calculations for some sizes and the ENT option missing from the app. Overall, the app is valued when it works, but Android-specific UI bugs and calculation gaps need fixes to satisfy ongoing demand.

Pros

Easy to use / simple interface
Very useful for electricians; widely used by professionals
Quick and easy conduit fill calculations; helps streamline workflow
Long-running, trusted app (used for 10+ years)

Cons

Android license agreement UI issues (Agree button) not accessible due to top-bar layout; UI issues preventing first-use
UI/input issues on Android; inputs not populating or submit button not working
Conduit size calculations can be inaccurate for certain sizes
ENT option missing from the app

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User Reviews

Recent rating average: 4.00

All time rating average: 4.00

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33% (23)

Date	Author	Comment
2026-06-27	To*****	The easiest way to size conduits to NEC code.
The easiest way to size conduits to NEC code.
2026-06-09	Da*****	Southside responde to my first review saying the latest version has more than just a few conduit types. I redownloaded it and it still showed the same maybe 5 types of conduit. this app is pretty useless.
Southside responde to my first review saying the latest version has more than just a few conduit types. I redownloaded it and it still showed the same maybe 5 types of conduit. this app is pretty useless.
2026-05-21	Ma*****	works great
works great
2026-05-18	Tr*****	never let me down
never let me down
2026-05-09	Th*****	The app did not function. drop-downs accepted conductor size and qty but fill info not provided
The app did not function. drop-downs accepted conductor size and qty but fill info not provided
2026-03-13	d *****	simple to use.
simple to use.
2026-02-06	Da*****	please add (ENT) smurf.
please add (ENT) smurf.
2025-11-11	Ro*****	Easy to use Best Conduit Fill App! I know I have been using this App for at least 10 years!🔥
Easy to use Best Conduit Fill App! I know I have been using this App for at least 10 years!🔥
2025-09-27	jo*****	use all the time
use all the time
2025-08-22	Da*****	Super useful for mixed gauge runs in sch40 conduit.
Super useful for mixed gauge runs in sch40 conduit.