Best Wire Size Calculator For Electricians Apps

203+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated June 2026

Out of 203+ wire size calculator for electricians apps on iOS, 17 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 Wire Size Calculator For Electricians

AWG Calculator: Wire Size#1

AWG Calculator: Wire Size by Melchisedec Martinez Rodriguez

Electrician Wire Tool
Editor's Choice
🔧 Utilities
4.6(67 ratings)
FreeIn-App Purchases
AWG Calculator: Wire Size screenshot 1
AWG Calculator: Wire Size screenshot 2
AWG Calculator: Wire Size screenshot 3
AWG Calculator: Wire Size screenshot 4
AWG Calculator: Wire Size screenshot 5

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.

Southwire® Voltage Drop Calc#2

Southwire® Voltage Drop Calc by Southwire Company

Southwire Calculator
Strong Contender
🔧 Utilities
4.6😐(1.4K 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 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.

What We Love

  • 🚀 Quick and useful
  • 🚀 Great Quick Reference
  • 👍 A must have app for electricians
  • 👍 Love These

Room to Improve

  • 🐛 Motor starting Voltage drop
  • 🐛 Useless!
  • 🐛 Won't work

More Wire Size Calculator For Electricians apps to explore

4
Electrician's Sidekick
Electrician's Sidekick
Electrician's Sidekick
by IDEAL INDUSTRIES, INC
Free

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.

📊 Productivity
(16)
5
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
by Southwire Company
Free

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.

🔧 Utilities
(679)
6
Building Wire Selector
Building Wire Selector
Building Wire Selector
Southwire Calculator
Free

This tool helps determine the minimum conductor size and recommends the best wire and cable type for an installation, based on the National Electrical Code wiring methods. Try it out to find the optimal wire and cable solution for your project.

🔧 Utilities
(2)
7
Wire Size Calc
Wire Size Calc
Wire Size Calc
NEC Ampacity & Derating
$0.99
🔧 Utilities
(0)
8
ElectriCalc Pro
ElectriCalc Pro
ElectriCalc Pro
Electrician NEC Calculator
Free
$29.99 | 100% OFF

This electrical code calculator app helps electrical contractors, designers, and specialists solve complex calculations in seconds, ensuring conformance with the latest National Electrical Code (NEC). Try it for free before buying, and discover a comprehensive electrical reference tool that saves time, trouble, and money.

🔧 Utilities
(256)
9
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.

📊 Productivity
(21)
10
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Electrical Power Calculator
Free

An industry-leading electrical power calculator app designed by Mike Holt for electricians, inspectors, contractors, and engineers. Perform conductor sizing, circuit protection, race sizing, and more with this practical and useful tool.

🔧 Utilities
(198)
11
Electrical Calculations
Electrical Calculations
Electrical Calculations
by Egal Net di Ettore Gallina
Free
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(125)
12
Master Electrician Ref. Lite
Master Electrician Ref. Lite
Master Electrician Ref. Lite
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.

📊 Productivity
(2.4K)
13
WireCalc - Wire Sizing
WireCalc - Wire Sizing
WireCalc - Wire Sizing
Voltage Drop & Conduit Fill
$1.99
🔧 Utilities
(0)
14
Cerrowire Calculators
Cerrowire Calculators
Cerrowire Calculators
by Cerro Wire LLC
Free

This application provides calculators to help determine the correct conduit size for copper and aluminum building wire based on the National Electrical Code. It allows users to calculate the maximum number of conductors that fit in a raceway or the required raceway size for specific conductors, making it easy to size conduit quickly and accurately.

🔧 Utilities
(5)
15
Pipe N Wire
Pipe N Wire
Pipe N Wire
Conduit Fill
$1.99

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)
16
SIMpull 600V Calculator
SIMpull 600V Calculator
SIMpull 600V Calculator
Southwire Calculator
Free

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.

🔍 Reference
(57)
17
E-Wire Calc
E-Wire Calc
E-Wire Calc
by ELEKTRISOLA
Free
🔧 Utilities
(1)
18
Cable Size Calculator
Cable Size Calculator
Cable Size Calculator
by Unique Computer Systems LLC
Free

This application helps electrical engineers, consultants, and electricians quickly select the right cable sizes for electric circuits and calculate voltage drop, making it an essential tool for the MEP industry. With a simple and easy-to-use interface, it allows users to perform calculations efficiently, offline, and on-the-go, saving results as PDF files or sending them via email.

📊 Productivity
(2)
19
Miller Weld Setting Calculator
Miller Weld Setting Calculator
Miller Weld Setting Calculator
by Miller Electric Mfg Co
Free

Optimize your welding performance with a smart calculator app that fine-tunes your machine settings for the best results. Enhance your welding experience with precise parameters and process information on TIG, Stick, or MIG welding techniques.

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(78)
20
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.

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