Best Conduit Fill Calculator For Electricians Apps

212+ iOS apps curated and reviewed

4.4 avg rating
16 free apps
Updated May 2026

The best conduit fill calculator for electricians apps on iPhone average 4.4★ across 212+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Conduit Fill Calculator For Electricians

Southwire® Conduit Fill Calc#1

Southwire® Conduit Fill Calc by Southwire Company

Editor's Choice
🔧 Utilities
4.5😊(679 ratings)
Free
Southwire® Conduit Fill Calc screenshot 1
Southwire® Conduit Fill Calc screenshot 2
Southwire® Conduit Fill Calc screenshot 3

This application helps electricians, engineers, and contractors quickly determine the proper conduit size to use based on NEC guidelines, including fill percentages and jam probability. Simply input conduit type, size, and conductors, and the app will calculate the conduit fill percentage for you.

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

Room to Improve

  • ⚠️ Accuracy issues reported by multiple users
  • ❌ Limited wire gauge options (missing 16 & 18 AWG)
  • 🔄 Changing conduit type erases conduit size
Electrician's Sidekick#2

Electrician's Sidekick by IDEAL INDUSTRIES, INC

Strong Contender
📊 Productivity
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 combines multiple electrical calculators into one convenient app, allowing electricians to efficiently and accurately complete tasks such as conduit bending, wire sizing, and voltage drop calculations. With its various calculators and features, it helps electricians maximize their fieldwork efficiency and accuracy, and is available for use even without internet connectivity.

More Conduit Fill Calculator For Electricians apps to explore

4
Conduit Fill Capacity Calculator
Conduit Fill Capacity Calculator
Conduit Fill Capacity Calculator
by TE Connectivity Corporation
Free

This application helps you determine the maximum number of data cables that can fit in a conduit of a specific size, based on a chosen fill ratio. Try it out to easily calculate conduit fill capacity and plan your cable management efficiently.

🔧 Utilities
(1)
5
Prysmian Group Conduit Fill
Prysmian Group Conduit Fill
Prysmian Group Conduit Fill
Electrical Conduit Fill
Free

This electrical conduit fill calculator helps engineers, contractors, and electrical professionals quickly determine the minimum conduit size according to the National Electrical Code, saving time on complex calculations. Try it out to easily find answers for your conduit fill needs.

📊 Productivity
(2)
6
Pipe N Wire
Pipe N Wire
Pipe N Wire
Conduit Fill
$0.99

This application is a fast and reliable conduit fill calculator that helps electricians determine the right conduit size based on selected wires, pipe material, and desired fill percentage, all while being NEC-compliant. With its intuitive interface and robust features, it streamlines workflow and takes the guesswork out of conduit sizing, making it an essential tool for electricians to work with confidence.

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(9)
7
Electrician Handy Tool
Electrician Handy Tool
Electrician Handy Tool
All in one electricians tools
Free

This all-in-one tool helps electricians with their daily work by providing calculators for voltage drop, conduit bending, and fractions, making electrical work easier and more efficient. Try it out to streamline your tasks and get the job done quickly and easily.

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(21)
8
Derated: Conduit Fill
Derated: Conduit Fill
Derated: Conduit Fill
Fill and Derating Calculator
$1.99

This conduit fill calculator app simplifies complex electrical calculations, allowing users to effortlessly calculate conduit fill and derate wires' ampacity in real-time, adhering to National Electric Code guidelines. With an intuitive interface, users can easily set up calculations, share results, and collaborate with others, streamlining communication and ensuring accurate results.

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(5)
9
Conduit Bender Elite - Calc
Conduit Bender Elite - Calc
Conduit Bender Elite - Calc
Calculator for Electricians
$7.99

An essential calculator designed for Electricians, the Conduit Bender Elite™ simplifies conduit bending by providing step-by-step guidance and support for various bends. It offers a wide range of bend types and optional digital level functionality to streamline installations, with customizable preference settings for different conduit sizes. Email techsupport@cyberprodigy.com for assistance or suggestions for future enhancements.

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Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire Calculator
Free

Calculate the right wire size for your electrical circuit with this voltage drop calculator. Ensure proper conductivity while meeting specific voltage drop limits and NEC ampacity standards. Perfect for AWG and KCMIL sizes in various applications.

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Concrete Calculator Plus
Concrete Calculator Plus
Concrete Calculator Plus
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Estimate concrete quantities with ease using 15 free calculators available in the app for various construction projects such as slabs, walls, and columns. Input dimensions in different units and receive results in both US customary and metric measurements. Access these trusted calculators by visiting www.inchcalculator.com.

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12
Master Electrician Ref. Lite
Master Electrician Ref. Lite
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A handbook for electricians
Free

A comprehensive electronic pocket electrician reference guide for electrical professionals and enthusiasts, providing essential information, calculations, NEC tables, and safety manuals. Visit MasterSparky.com for more details and upgrade to the full version for extensive content covering NEC codes over various years.

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QuickBend: Conduit Bending
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This innovative conduit bending calculator app, designed by an electrician, provides precise measurements for conduit bending while being user-friendly and visually appealing. Suitable for professionals and beginners alike, it offers accurate calculations considering various factors like shoe radius and conduit type, ultimately helping users save time and money with its detailed documentation and intuitive interface.

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15
ConduitLab: NEC Calculator
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Free
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Construction Master Pro Calc
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An essential tool for professionals working with dimensions, this app optimizes speed and accuracy while reducing errors. Try it for free before purchase on your App Store account. Ideal for enhancing productivity on the go.

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17
McCalc Fusion Calculator
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This calculator helps you find the correct fusion pressure for HDPE and Polypropylene pipe fusion jobs by selecting your fusion machine and entering pipe size and pressure requirements. Try it now to take the guesswork out of pipe fusion and get the recommended theoretical gauge pressure for your project.

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(18)
18
SIMpull 600V Calculator
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Southwire Calculator
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This application provides multiple calculators for electrical wire pull characteristics, generating NEC-compliant answers for voltage drop, wire sizing, and more. It helps users perform calculations and easily share results.

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