Best Southwire® Conduit Fill Calculator Apps

250+ iOS apps curated and reviewed

3.9 avg rating
17 free apps
Updated September 2026

Every iPhone needs a few good southwire® conduit fill calculator apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Southwire® Conduit Fill Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Southwire® Conduit Fill CalcSouthwire® Conduit Fill CalcFree4.5★ (746)NoNoSep 2026
2Southwire® Voltage Drop CalcSouthwire® Voltage Drop CalcFree4.6★ (1.5K)NoNoSep 2026
3Electrician's SidekickElectrician's SidekickFree3.5★ (16)NoNoMay 2026
4Conduit Fill Capacity CalculatorConduit Fill Capacity CalculatorFree4.0★ (1)NoNoAug 2026
5Southwire® Conversion CalcSouthwire® Conversion CalcFree4.2★ (5)NoNoAug 2026
6FILL ◦ Conduit Fill CalculatorFILL ◦ Conduit Fill CalculatorFree4.0★ (3)NoYesSep 2026
7Conduit FillConduit Fill$4.993.3★ (3)NoNoAug 2026
8SIMpull 600V CalculatorSIMpull 600V CalculatorFree4.2★ (59)NoNoSep 2026

Top Picks for Southwire® Conduit Fill Calculator

4.5😊(746 ratings)
Free
Southwire® Conduit Fill Calc screenshot 1
Southwire® Conduit Fill Calc screenshot 2
Southwire® Conduit Fill Calc screenshot 3

This tool assists electricians, engineers, and contractors in determining the correct conduit size based on NEC guidelines. It calculates conduit fill percentages and jam probability, saving time compared to manual calculations.

What We Love

  • 🚀 Quick and easy calculations
  • 👍 User-friendly interface with spin wheel controls
  • 📊 Shows actual fill percentage and NEC compliance
  • 🔧 Ability to add multiple wire sizes simultaneously
  • 💾 Customizable wire data entry
  • ⚡ Saves significant time on job sites
  • 🎯 Accurate calculations (when working properly)
  • 📱 Convenient mobile access to conduit fill information

Room to Improve

  • ⚠️ Accuracy issues reported by multiple users
  • ❌ Limited wire gauge options (missing 16 & 18 AWG)
  • 🔄 Changing conduit type erases conduit size
  • 📉 Jam probability calculations unreliable
  • 🗑️ No data persistence between calculations
  • 🐛 Blank screen crashes on older versions
  • ⚠️ Discrepancies with NEC standards calculations
Southwire® Voltage Drop Calc#2

Southwire® Voltage Drop Calc by Southwire Company

Southwire Calculator
Strong Contender
🔧 Utilities
4.6😐(1.5K ratings)
Free
Southwire® Voltage Drop Calc screenshot 1
Southwire® Voltage Drop Calc screenshot 2
Southwire® Voltage Drop Calc screenshot 3
Southwire® Voltage Drop Calc screenshot 4
Southwire® Voltage Drop Calc screenshot 5
Southwire® Voltage Drop Calc screenshot 6

Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.

What We Love

  • 🚀 Quick and useful
  • 🚀 Great Quick Reference
  • 👍 A must have app for electricians
  • 👍 Love These
  • 👍 Electrical Engineer
  • 👍 Awesome app
  • 👍 Safer
  • 👍 Useful
  • 👍 Handy
  • 👍 Great App
  • 👍 Dependable app
  • 👍 Electrician tech
  • 👍 Solid and simple to use app
  • 👍 Great app

Room to Improve

  • 🐛 Motor starting Voltage drop
  • 🐛 Useless!
  • 🐛 Won't work
  • 🐛 How to use
  • 🐛 Confused
  • 🐛 Bad app
  • 🐛 Bad
  • 🐛 Not applicable for Residential
  • 🐛 Electrician
  • 🐛 Terrible
  • 🐛 Not working
  • 🐛 What??
  • 🐛 Terrible
  • 🐛 Don't work
  • 🐛 Terrible
  • 🐛 Choice Between AWG and Metric wire Gauge
  • 🐛 Updated app not so simple
  • 🐛 The last version was better
  • 🐛 App
  • 🐛 Terrible
  • 🐛 Voltage drop calculator
  • 🐛 IOS 8
  • 🐛 One flaw
  • 🐛 Worst app ever
  • 🐛 Average
3.5(16 ratings)
Free
Electrician's Sidekick screenshot 1
Electrician's Sidekick screenshot 2
Electrician's Sidekick screenshot 3
Electrician's Sidekick screenshot 4
Electrician's Sidekick screenshot 5
Electrician's Sidekick screenshot 6

This free tool consolidates essential electrical calculations and reference guides into a single app. It offers precise tools for conduit bending, wire sizing, voltage drop, and conduit fill, designed to enhance fieldwork efficiency and accuracy for professionals. The app functions offline, ensuring constant access to critical information.

More Southwire® Conduit Fill Calculator apps to explore

FAQ about Southwire® Conduit Fill Calculator

What are the best southwire® conduit fill calculator apps for iPhone?
Southwire® Conduit Fill Calc tops our southwire® conduit fill calculator apps ranking as of September 2026, with a 4.5-star average from 746 App Store ratings, and it's free to download.
Yes — 17 of the top southwire® conduit fill calculator apps we rank are free to download, including Southwire® Conduit Fill Calc and Southwire® Voltage Drop Calc.
Southwire® Conduit Fill Calc has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ southwire® conduit fill calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps electricians, engineers, and contractors determine the correct conduit size by calculating the conduit fill percentage and jam probability according to NEC guidelines. It simplifies the process of answering the question, 'What size conduit do I use?'
Key features include calculating conduit fill percentages and jam probability based on NEC guidelines, easy navigation, and the ability to email your calculation results with a single click. It eliminates the need for manual calculations or referencing the NEC book.