Best Cable Calculator Apps

220+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated June 2026

Electrical Calculations is the household name in cable calculator, but it's far from the only option. We track 220+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Cable Calculator

Electrical Calculations#1

Electrical Calculations by Egal Net di Ettore Gallina

Editor's Choice
📊 Productivity
4.6(125 ratings)
FreeAdsIn-App Purchases
Electrical Calculations screenshot 1
Electrical Calculations screenshot 2
Electrical Calculations screenshot 3
Electrical Calculations screenshot 4
Electrical Calculations screenshot 5

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.

Cable Calc+#2

Cable Calc+ by Megger LTD

Strong Contender
🔧 Utilities
4.0(2 ratings)
Free
Cable Calc+ screenshot 1
Cable Calc+ screenshot 2
Cable Calc+ screenshot 3

This tool assists electrical contractors by calculating cable selection and voltage drop for installations up to 25KW and 100A. It supports various cable types and includes reference methods, educational videos, and a guide to electrical test instruments.

More Cable Calculator apps to explore

4
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
5
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
(565)
free with in-app purchases
6
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
7
Pump Cable Calculator
Pump Cable Calculator
Pump Cable Calculator
Southwire®
Free

This app helps determine the correct wire size or installation length for pump cables, adhering to NEC® guidelines. It supports various installation methods for electrical projects.

Wire size calculationInstallation length calculationSupports various installation methods
🔍 Reference
(6)
free
8
Voltage Drop Calculator.
Voltage Drop Calculator.
Voltage Drop Calculator.
Wire Size, NEC & IEC Tools
Free

Calculate voltage drop and wire size using both NEC and IEC standards. Supports various load types, conductor materials, and system configurations. Generates detailed reports for electricians, engineers, and contractors.

NEC and IEC dual standardsVoltage drop and wire sizing calculationsSupport for continuous load and corrections
🔧 Utilities
(411)
free with in-app purchases
9
CableApp
CableApp
CableApp
by Prysmian S.p.A.
Free

This tool assists professionals in selecting the optimal cabling solution for their projects. It calculates the best cross-section, offers money and CO2 saving advice, and provides access to technical documentation and industry news.

Optimal cross-section calculationMoney and CO2 saving adviceAccess to technical documentation
🔧 Utilities
(2)
ad-supported
10
CableCalc BS7671 Lite
CableCalc BS7671 Lite
CableCalc BS7671 Lite
by Castline Systems
Free

This app calculates electrical circuits, including current carrying capacity, volt drop, and correction factors for PVC cable. It provides a detailed summary of checks for ring, radial, and lighting circuits.

Ring, radial, and lighting circuit calculationsCurrent carrying capacity checksVolt drop calculations
💼 Business
(0)
free
11
Cable Calc
Cable Calc
Cable Calc
Cable Size Calculator
$14.99

Calculate the minimum required cable size for single and three-phase circuits based on BS 7671 standards. Input design criteria, installation methods, and environmental factors to determine appropriate cable dimensions. Save or print detailed results for your projects.

Calculate single and three-phase radial circuitsCalculate single-phase ring final circuitsBased on BS 7671 standards
📊 Productivity
(0)
paid
12
Cable Picker
Cable Picker
Cable Picker
Size the cable in seconds
Free
🎨 Graphics & Design
(0)
13
Calculator Plus #1
Calculator Plus #1
Calculator Plus #1
Calculate - Simple Basic Calc
Free

A straightforward calculator app designed for everyday math, school, budgeting, and shopping. It offers essential functions, a clear interface with large buttons, and a history log for reviewing past calculations. Advanced features include memory functions, percentage calculations, and multi-window support for efficient workflow.

Basic arithmetic operationsCalculation historyMemory function
🔧 Utilities
(5K)
free with in-app purchases
14
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
15
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free
16
Prysmian Group Voltage Drop
Prysmian Group Voltage Drop
Prysmian Group Voltage Drop
by Prysmian S.p.A.
Free

Calculate maximum circuit distance and minimum conductor size for required voltage drop. Designed for electrical professionals, it provides detailed information on conductor size, voltage loss, and amperage based on NEC standards.

Calculate Maximum Circuit DistanceDetermine Minimum Conductor SizeView Actual Voltage Loss
📊 Productivity
(6)
free
17
ElectriCalc: NEC Calculator
ElectriCalc: NEC Calculator
ElectriCalc: NEC Calculator
Wire Size, Voltage Drop, AWG
Free
🔧 Utilities
(2)
18
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
19
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
20
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