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 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.

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

Room to Improve

  • 🐛 Motor starting Voltage drop
  • 🐛 Useless!
  • 🐛 Won't work
Wire Gauge & Size Calculator#3

Wire Gauge & Size Calculator by V PUGAZHENTHI

Min Wire Gauge for Vdrop %
Worth Considering
🔧 Utilities
4.9(9 ratings)
FreeAds
Wire Gauge & Size Calculator screenshot 1
Wire Gauge & Size Calculator screenshot 2
Wire Gauge & Size Calculator screenshot 3
Wire Gauge & Size Calculator screenshot 4
Wire Gauge & Size Calculator screenshot 5
Wire Gauge & Size Calculator screenshot 6

This utility app calculates the minimum wire size needed for electrical installations based on voltage, current, distance, and allowable voltage drop. It supports various units and wire materials, ensuring safe and efficient power distribution for diverse applications.

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 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.

Conduit bending calculatorWire sizing and voltage drop calculatorConduit fill calculator
📊 Productivity
(16)
free
5
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
by Southwire Company
Free

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.

Conduit size calculationNEC fill percentagesJam probability
🔧 Utilities
(746)
free
6
Building Wire Selector
Building Wire Selector
Building Wire Selector
Southwire Calculator
Free

This tool helps determine the correct conductor size and wire type for electrical installations. It adheres to the National Electrical Code® wiring methods, ensuring compliance and safety.

Conductor size determinationWire and cable type selectionNational Electrical Code compliance
🔧 Utilities
(2)
free
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 app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

NEC compliant calculationsWire and conduit sizingVoltage drop calculations
🔧 Utilities
(256)
free with in-app purchases
9
Electrician Handy Tool
Electrician Handy Tool
Electrician Handy Tool
All in one electricians tools
Free

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.

Voltage drop calculatorConduit bending calculatorFraction calculator
📊 Productivity
(21)
free with in-app purchases
10
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Electrical Power Calculator
Free

This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.

Conductor sizingVoltage drop limitationsCircuit protection sizing
🔧 Utilities
(197)
free
11
Electrical Calculations
Electrical Calculations
Electrical Calculations
by Egal Net di Ettore Gallina
Free

This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.

Wire size and voltage drop calculationsPower, current, and resistance calculationsMotor performance and connection diagrams
📊 Productivity
(125)
free with in-app purchases
12
Master Electrician Ref. Lite
Master Electrician Ref. Lite
Master Electrician Ref. Lite
A handbook for electricians
Free

This electronic pocket reference guide provides essential information for electrical professionals. It offers calculations, code tables, and detailed sections on motors, ampacities, grounding, and more, all accessible on your mobile device.

Motor and wiring informationAmpacity tablesConduit fill and grounding sizes
📊 Productivity
(2.4K)
paid
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

Calculate conduit fill and size based on NEC guidelines for copper and aluminum building wire. Determine the maximum number of conductors for a given raceway or the required raceway size for specific conductors.

NEC conduit fill calculationsConduit sizing for conductorsSupports copper and aluminum wire
🔧 Utilities
(5)
free
15
Pipe N Wire
Pipe N Wire
Pipe N Wire
Conduit Fill
$1.99

This tool helps electricians quickly calculate the correct conduit size based on wire types, gauges, and desired fill percentages, adhering to NEC standards. It offers a streamlined interface for field use and planning, with options to save calculations and override recommendations.

Conduit fill calculationsSupports all standard wire typesSmart conduit selector
📊 Productivity
(9)
paid
16
SIMpull 600V Calculator
SIMpull 600V Calculator
SIMpull 600V Calculator
Southwire Calculator
Free

This app offers multiple calculators for electrical calculations, all linked by wire pull characteristics. It generates NEC® compliant answers for voltage drop, ground wire sizing, ampacity adjustments, and more. Results can be easily emailed.

Voltage Drop CalculatorGround Wire SizingAmpacity Adjustments
🔍 Reference
(57)
free
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 tool helps electrical professionals quickly determine the correct cable sizes for electric circuits. It calculates voltage drop and supports various cable types, working offline for convenience on job sites.

Offline operationVoltage drop calculationSupports copper and aluminum cables
📊 Productivity
(2)
free
19
Miller Weld Setting Calculator
Miller Weld Setting Calculator
Miller Weld Setting Calculator
by Miller Electric Mfg Co
Free

This app helps you determine the correct weld parameter settings for optimal results. It guides you through a few simple questions to tune your welding machine for TIG, Stick, or MIG processes.

Weld parameter settings calculatorMachine tuning guidanceElectrode/wire type reference
🔍 Reference
(78)
free
20
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