Best Conduit Calculator Apps

234+ iOS apps curated and reviewed

4.6 avg rating
15 free apps
Updated July 2026

The best conduit calculator apps on iPhone average 4.6★ across 234+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Conduit Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Southwire® Conduit Fill CalcSouthwire® Conduit Fill CalcFree4.5★ (746)NoNoAug 2026
2Easy Bend: Conduit CalculatorEasy Bend: Conduit CalculatorFree4.2★ (5)NoYesJul 2026
3Electrician Handy ToolElectrician Handy ToolFree4.1★ (21)NoYesMay 2026
4Conduit Fill Capacity CalculatorConduit Fill Capacity CalculatorFree4.0★ (1)NoNoMay 2026
5QuickBend: Conduit BendingQuickBend: Conduit Bending$6.994.8★ (3.9K)NoNoAug 2026
6Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (39K)NoYesAug 2026
7Calculator #Calculator #Free4.6★ (36K)YesYesAug 2026
8Conduit Bender Elite - CalcConduit Bender Elite - Calc$7.994.8★ (1.7K)NoYesAug 2026

Top Picks for Conduit Calculator

Southwire® Conduit Fill Calc#1

Southwire® Conduit Fill Calc by Southwire Company

Editor's Choice
🔧 Utilities
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

Room to Improve

  • ⚠️ Accuracy issues reported by multiple users
  • ❌ Limited wire gauge options (missing 16 & 18 AWG)
  • 🔄 Changing conduit type erases conduit size
Easy Bend: Conduit Calculator#2

Easy Bend: Conduit Calculator by Mosaic Minds Studio LLC

Offset, Saddle & 90° Bends
Strong Contender
🔧 Utilities
4.2(5 ratings)
Free
Easy Bend: Conduit Calculator screenshot 1
Easy Bend: Conduit Calculator screenshot 2
Easy Bend: Conduit Calculator screenshot 3
Easy Bend: Conduit Calculator screenshot 4
Easy Bend: Conduit Calculator screenshot 5
Easy Bend: Conduit Calculator screenshot 6

This tool assists electricians in accurately calculating conduit bends for various scenarios, eliminating guesswork and wasted material. It provides instant mark locations for offsets, saddles, 90° bends, and more, supporting different conduit types and calculation methods.

Electrician Handy Tool#3

Electrician Handy Tool by Handy Tool LLC

All in one electricians tools
Worth Considering
📊 Productivity
4.1(21 ratings)
FreeIn-App Purchases
Electrician Handy Tool screenshot 1
Electrician Handy Tool screenshot 2
Electrician Handy Tool screenshot 3
Electrician Handy Tool screenshot 4
Electrician Handy Tool screenshot 5

This app provides electricians with essential tools for conduit bending, calculations, and quick reference. It simplifies electrical work with features like voltage drop calculation and a user-friendly fraction calculator.

More Conduit Calculator apps to explore

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

Easily determine the maximum number of data cables that can fit within a conduit of a specific size. Input your conduit dimensions and desired fill ratio to get an instant calculation.

Calculate maximum cable capacitySelect conduit sizeChoose fill ratio
🔧 Utilities
(1)
free
5
QuickBend: Conduit Bending
QuickBend: Conduit Bending
QuickBend: Conduit Bending
Conduit Bending Calculator
$6.99

This app is a conduit bending calculator designed for electricians and DIY enthusiasts. It provides accurate measurements for various bend types, accounting for bender and conduit specifications. Users can input data intuitively and receive instant feedback on bend feasibility.

Accurate centerline radius algorithmSupports multiple bend types (offset, saddle, 90°, etc.)Intuitive data input (number pad, slider)
📊 Productivity
(3.9K)
paid
6
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.

Dimensional math and conversionsRight angle and rafter calculationsArea and volume solutions
🔧 Utilities
(39K)
free with in-app purchases
7
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
free with in-app purchases
8
Conduit Bender Elite - Calc
Conduit Bender Elite - Calc
Conduit Bender Elite - Calc
Calculator for Electricians
$7.99

This app is a specialized calculator for electricians to simplify conduit bending calculations. It offers detailed diagrams and step-by-step guidance for various bend types, helping users save time and focus on installation. Users can customize settings for different conduit sizes and units of measurement.

Conduit bending calculationsDiagrams and step-by-step helpMultiple bend types supported
🔧 Utilities
(1.7K)
free with in-app purchases
9
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire Calculator
Free

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.

Determine wire size for voltage dropCalculate voltage drop for conductor runsLimit wire size by voltage drop
🔧 Utilities
(1.5K)
free
10
AWG Calculator: Wire Size
AWG Calculator: Wire Size
AWG Calculator: Wire Size
Electrician Wire Tool
Free

This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.

Wire size (AWG) calculationsVoltage drop calculationCircuit breaker sizing
🔧 Utilities
(67)
free with in-app purchases
11
Concrete Calculator Plus
Concrete Calculator Plus
Concrete Calculator Plus
by Inch Calculator
Free

This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.

15 concrete estimation calculatorsEstimates cubic yards or bagsCalculates material costs
🔧 Utilities
(21K)
ad-supported
12
Conduit Bend Calculator
Conduit Bend Calculator
Conduit Bend Calculator
Offset, Saddle & 90° Bend Tool
Free
$2.99 | 100% OFF
🔧 Utilities
(0)
13
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

Large buttonsClear displayFast calculations
🔧 Utilities
(404K)
ad-supported
14
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
NCalc & CalcES Calculator 115
Free

This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.

Natural display inputGraphing moduleFormula library
📚 Education
(12K)
free with in-app purchases
15
ConduitLab: NEC Calculator
ConduitLab: NEC Calculator
ConduitLab: NEC Calculator
NEC Voltage Drop & Fill Calc
Free

This app provides professional NEC electrical calculations for electricians and engineers. It features ampacity, voltage drop, and conduit fill calculations, with a unique 2D visualizer to see conductor layouts. Generate inspector-ready PDF reports for documentation and record-keeping.

Ampacity calculations with deratingVoltage drop calculations2D conduit fill visualizer
🔧 Utilities
(3)
free with in-app purchases
16
Dakota's Electrical Calculator
Dakota's Electrical Calculator
Dakota's Electrical Calculator
Load, Conduit & NEC Calculator
Free

This app provides electricians and apprentices with essential tools for on-the-job tracking and NEC-aligned calculations. It helps with circuit analysis, load calculations, conduit fill, motor and transformer computations, and voltage drop assessments for field use and exam preparation.

On-the-job hour tracking by areaNEC-aligned circuit calculationsBranch, feeder, and service load calculations
📚 Education
(6)
free
17
Derated: Conduit Fill
Derated: Conduit Fill
Derated: Conduit Fill
Fill and Derating Calculator
$1.99

This app simplifies complex electrical calculations for electricians. It allows real-time calculation of conduit fill and wire ampacity derating, adhering to NEC guidelines. Results are accurate and easily shareable for collaboration or client communication.

Real-time conduit fill calculationSimultaneous wire ampacity deratingAdheres to NEC guidelines
📊 Productivity
(5)
paid
18
FILL ◦ Conduit Fill Calculator
FILL ◦ Conduit Fill Calculator
FILL ◦ Conduit Fill Calculator
NEC 2026 & 2023 Wire Sizing
Free

This app calculates conduit fill percentages based on NEC 2023 standards. It helps electricians determine if wires will fit in a conduit or find the smallest suitable conduit for a given set of wires. Features include real-time status updates, history, and export options.

NEC 2023 compliant calculationsForward and reverse calculation modesReal-time fill percentage status
🔧 Utilities
(3)
free with in-app purchases
19
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.3K)
free with in-app purchases
20
Conduit Fill Calculator-NEC
Conduit Fill Calculator-NEC
Conduit Fill Calculator-NEC
NEC Chapter 9 Pipe Fill
$0.99
🔧 Utilities
(0)

FAQ about Conduit Calculator

What are the best conduit calculator apps for iPhone?
Southwire® Conduit Fill Calc tops our conduit calculator apps ranking as of July 2026, with a 4.5-star average from 746 App Store ratings, and it's free to download.
Yes — 15 of the top conduit calculator apps we rank are free to download, including Southwire® Conduit Fill Calc and Easy Bend: Conduit Calculator.
Southwire® Conduit Fill Calc has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 234+ conduit calculator apps on the iOS App Store as of July 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.

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