Best Conduit Fill Capacity Calculator Apps

223+ iOS apps curated and reviewed

4.5 avg rating
15 free apps
Updated May 2026

Out of 223+ conduit fill capacity calculator apps on iOS, 15 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Conduit Fill Capacity Calculator

Southwire® Conduit Fill Calc#2

Southwire® Conduit Fill Calc by Southwire Company

Strong Contender
🔧 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
Prysmian Group Conduit Fill#3

Prysmian Group Conduit Fill by Prysmian Group

Electrical Conduit Fill
Worth Considering
📊 Productivity
3.0(2 ratings)
Free
Prysmian Group Conduit Fill screenshot 1
Prysmian Group Conduit Fill screenshot 2
Prysmian Group Conduit Fill screenshot 3
Prysmian Group Conduit Fill screenshot 4
Prysmian Group Conduit Fill screenshot 5

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.

More Conduit Fill Capacity Calculator apps to explore

4
Conduit Fill Pro
Conduit Fill Pro
Conduit Fill Pro
Capacity Calculator & Code
Free
🔧 Utilities
(0)
5
Conduit Filler
Conduit Filler
Conduit Filler
The electrician's helper
Free

This application helps electrical tradespeople with conduit fill calculations and conduit sizing for various wire gauges, providing calculations in accordance with relevant national and international electrical codes. Try it out with a 7-day free trial and subscribe monthly or yearly for unrestricted access to its features.

💼 Business
(16)
6
NEC Box & Conduit Calc
NEC Box & Conduit Calc
NEC Box & Conduit Calc
NEC Box & Conduit Fill
Free
🔧 Utilities
(16)
7
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.

📊 Productivity
(5)
8
Concrete Calculator Plus
Concrete Calculator Plus
Concrete Calculator Plus
by Inch Calculator
Free

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.

🔧 Utilities
(21K)
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.

🔧 Utilities
(1.6K)
10
Conduit Fill
Conduit Fill
Conduit Fill
quickly calculate conduit fill
$4.99
🔧 Utilities
(2)
11
FILL ◦ Conduit Fill Calculator
FILL ◦ Conduit Fill Calculator
FILL ◦ Conduit Fill Calculator
NEC 2023 Conduit Fill by Code
Free
🔧 Utilities
(1)
12
QuickBend: Conduit Bending
QuickBend: Conduit Bending
QuickBend: Conduit Bending
Conduit Bending Calculator
$6.99

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.

📊 Productivity
(3.6K)
13
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.

🔧 Utilities
(1.4K)
14
AWG Calculator: Wire Size
AWG Calculator: Wire Size
AWG Calculator: Wire Size
Electrician Wire Tool
Free

This electrical calculation tool simplifies wire size and other calculations following NEC standards, making it ideal for professionals and DIYers. Download now and try it for free for a month to streamline your electrical design and installation work.

🔧 Utilities
(67)
15
Soil Calculator Plus
Soil Calculator Plus
Soil Calculator Plus
by Inch Calculator
Free

Estimate soil, topsoil, and landscaping materials easily with a free calculator. Input measurements for different areas and get accurate results in various units, from cubic yards to liters. Simplify your projects with this trusted tool by Inch Calculator.

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16
Gravel Calculator Plus
Gravel Calculator Plus
Gravel Calculator Plus
by Inch Calculator
Free

Estimate the amount of gravel, stone, sand, and more for your projects with this free gravel calculator. Get accurate measurements in tons, cubic yards, and cubic meters. Trusted by millions worldwide, it's your go-to tool for landscaping and hardscaping projects!

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17
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

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.

🔧 Utilities
(38K)
18
McCalc Fusion Calculator
McCalc Fusion Calculator
McCalc Fusion Calculator
HDPE/PP Pressure Calculator
Free

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.

💼 Business
(18)
19
Block Calculator Plus
Block Calculator Plus
Block Calculator Plus
by Inch Calculator
Free

Estimate materials for masonry projects with 9 free calculators like block, brick, and concrete estimators. Convert dimensions and measurements in various units for accurate results.

🔧 Utilities
(845)
20
ConduitFill 3.0
ConduitFill 3.0
ConduitFill 3.0
Conduit Sizing Calculator
$2.99
🔧 Utilities
(0)