Best Electrician Calculator Apps

250+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated July 2026

Out of 250+ electrician calculator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Electrician Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fraction Calculator Plus #1Fraction Calculator Plus #1Free4.9★ (22K)YesYesAug 2026
2ElectriCalc ProElectriCalc ProFree was $29.994.9★ (350)NoYesAug 2026
3Electrician Handy ToolElectrician Handy ToolFree4.1★ (21)NoYesMay 2026
4Mike Holt's Electrical ToolboxMike Holt's Electrical ToolboxFree4.6★ (197)NoNoAug 2026
5Southwire® Conduit Fill CalcSouthwire® Conduit Fill CalcFree4.5★ (746)NoNoAug 2026
6Feet and Inches CalculatorFeet and Inches CalculatorFree4.6★ (401)YesYesAug 2026
7Calculator HD Pro LiteCalculator HD Pro LiteFree4.6★ (51K)YesNoAug 2026
8Master Electrician Ref. LiteMaster Electrician Ref. LiteFree4.7★ (2.4K)NoNoAug 2026

Top Picks for Electrician Calculator

Fraction Calculator Plus #1#1

Fraction Calculator Plus #1 by DigitAlchemy LLC

Decimal Converter,Construction
Editor's Choice
📊 Productivity
4.9😊(22K ratings)
FreeAdsIn-App Purchases
Fraction Calculator Plus #1 screenshot 1
Fraction Calculator Plus #1 screenshot 2
Fraction Calculator Plus #1 screenshot 3
Fraction Calculator Plus #1 screenshot 4
Fraction Calculator Plus #1 screenshot 5
Fraction Calculator Plus #1 screenshot 6

Easily perform fraction calculations including addition, subtraction, multiplication, and division. Convert fractions to decimals and vice versa with a clear, user-friendly interface. Ideal for students, cooks, and DIYers needing quick and accurate fraction management.

What We Love

  • 👍 Simple, easy to use
  • 👍 Super app
  • 👍 Awesome calculator
  • 👍 Intuitive design

Room to Improve

  • 🐛 Intrusive ads
  • 🐛 Subscription required for pro features
ElectriCalc Pro#2

ElectriCalc Pro by Calculated Industries

Electrician NEC Calculator
Strong Contender
🔧 Utilities
4.9(350 ratings)
FreeIn-App Purchases
ElectriCalc Pro screenshot 1
ElectriCalc Pro screenshot 2
ElectriCalc Pro screenshot 3
ElectriCalc Pro screenshot 4
ElectriCalc Pro screenshot 5
ElectriCalc Pro screenshot 6

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.

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 Electrician Calculator apps to explore

4
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
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
Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
Free

A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.

Construction math and estimatingLayout, framing, and jobsite calculationsImperial and metric unit conversion
🔧 Utilities
(401)
free with in-app purchases
7
Calculator HD Pro Lite
Calculator HD Pro Lite
Calculator HD Pro Lite
Basic & Scientific Calc
Free

This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.

Dual-line displayCalculation historyFull scientific functions
🔧 Utilities
(51K)
ad-supported
8
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
9
Ohms Law Calc.
Ohms Law Calc.
Ohms Law Calc.
Wire Size & Voltage Drop
Free

This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.

Ohm's Law calculationsVoltage drop calculatorWire size calculator
🔧 Utilities
(1.3K)
free with in-app purchases
10
Canada Electricians Calculator
Canada Electricians Calculator
Canada Electricians Calculator
CEC Electrical Calculators
Free
🔧 Utilities
(0)
11
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Basic arithmetic operationsPercentage calculationsMultiple color schemes
🔧 Utilities
(33K)
free with in-app purchases
12
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
13
Electrical Calculator lite
Electrical Calculator lite
Electrical Calculator lite
60 Calculators & 16 Converters
Free

This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.

60+ Electrical Calculators16 Electrical Unit ConvertersOhm's Law Calculations
🔧 Utilities
(573)
free with in-app purchases
14
Electrical Calculation Tools
Electrical Calculation Tools
Electrical Calculation Tools
Handy tool for Electrician
$1.99
🔧 Utilities
(0)
15
Calculator for iPhone and iPad
Calculator for iPhone and iPad
Calculator for iPhone and iPad
You can count on it
Free

A straightforward and intuitive calculator app designed for ease of use. It offers a history bar, customizable themes, and advanced mathematical functions, ensuring a pleasant and efficient calculation experience on your device.

Basic arithmetic operationsAdvanced scientific functionsHistory bar for past calculations
🔧 Utilities
(15K)
free with in-app purchases
16
Master Electrician - Code AI
Master Electrician - Code AI
Master Electrician - Code AI
AI Code Lookup & Calculators
Free

This app acts as an AI-powered code expert for electricians, providing instant, cited answers to code questions and analyzing electrical installations for compliance. It includes a suite of essential calculators and a quick reference library for on-the-job use.

AI-powered code question answeringElectrical installation compliance scanningProfessional electrical calculators
🔍 Reference
(1)
free with in-app purchases
17
Ampero Electrical Calculator
Ampero Electrical Calculator
Ampero Electrical Calculator
Cable Sizing, Voltage Drop
Free
🔧 Utilities
(0)
18
BaseCalc Electric Calculator
BaseCalc Electric Calculator
BaseCalc Electric Calculator
NEC Calculator Tools
Free
🔧 Utilities
(0)
19
Electrician Field Kit: NEC
Electrician Field Kit: NEC
Electrician Field Kit: NEC
Conduit Bending Calculator
Free
📊 Productivity
(0)
20
Electrical Calculator Pro
Electrical Calculator Pro
Electrical Calculator Pro
Wiring, Cable & Load Tools
Free
🔧 Utilities
(0)

FAQ about Electrician Calculator

What are the best electrician calculator apps for iPhone?
Fraction Calculator Plus #1 tops our electrician calculator apps ranking as of July 2026, with a 4.9-star average from 22K App Store ratings, and it's free to download.
Yes — 19 of the top electrician calculator apps we rank are free to download, including Fraction Calculator Plus #1 and ElectriCalc Pro.
Fraction Calculator Plus #1 shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 250+ electrician calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Fraction Calculator Plus is a mobile application designed to help users perform various fraction calculations. It allows for addition, subtraction, multiplication, and division of fractions. It also offers easy conversion between fractions and decimal numbers.
Key features include the ability to perform all four basic arithmetic operations on fractions, automatic simplification of fractions to their lowest terms, and a clear, large display with big buttons for easy input. It also displays results as both fractions and decimal numbers.

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