Best Electrical Calculations App

0+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Electrical Calculations is the household name in electrical calculations app, but it's far from the only option. We track 0+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Electrical Calculations App

Ohms Law Calc.#3

Ohms Law Calc. by V PUGAZHENTHI

Wire Size & Voltage Drop
Worth Considering
🔧 Utilities
4.7😊(1.3K ratings)
FreeAdsIn-App Purchases
Ohms Law Calc. screenshot 1
Ohms Law Calc. screenshot 2
Ohms Law Calc. screenshot 3
Ohms Law Calc. screenshot 4
Ohms Law Calc. screenshot 5
Ohms Law Calc. screenshot 6

Ohms Law Calc. is a comprehensive app featuring 62 electrical calculators and formulas for various calculations such as voltage, current, resistance, and power. Explore a wide range of tools including voltage drop, power factor, transformer calculator, and more!

What We Love

  • 🚀 Great value
  • 🚀 Works perfectly
  • 🚀 Fantastic app
  • 👍 Best thing since sliced bread

Room to Improve

  • 👎 Have to pay again for an app already purchased
  • 👎 Not easy to use
  • 🐛 Paid but not unlocked, no response from developer

More Electrical Calculations App apps to explore

4
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)
5
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)
6
Electrical calculation
Electrical calculation
Electrical calculation
Electrical Engineering
Free
🔧 Utilities
(0)
7
Watts Amps Volts  Calculator
Watts Amps Volts  Calculator
Watts Amps Volts Calculator
Electrical power calculator
Free

This electrical power calculator allows users to calculate and convert between various electrical units, including Watts, Amps, Volts, kW, and Power Factor, for single and three-phase electrical formulas. Simply enter the required values and press calculate to get the desired result.

🔧 Utilities
(46)
8
Electrical Engineering: Quiz
Electrical Engineering: Quiz
Electrical Engineering: Quiz
Electrical Calculations - Eng
Free

This electrical calculation tool is designed for students and professionals, offering a comprehensive resource for electro-technical and electrical calculations. It provides a wide range of practical and theoretical tools, covering topics such as Ohm's Law, circuit analysis, and motor calculations, download it now to enhance your electrical engineering skills.

📊 Productivity
(9)
9
Electrical Engineering - lite
Electrical Engineering - lite
Electrical Engineering - lite
60 calculations with circuits
Free

This application provides a comprehensive set of electrical calculators and converters, covering 60 calculations and 16 conversions, to help professionals and students easily solve complex electrical engineering problems. With its user-friendly interface and multiple unit options, it enables precise results and seamless handling of diverse units, making it an essential tool for anyone working with electrical circuits.

📚 Education
(248)
10
Electrical Toolkit by HCP
Electrical Toolkit by HCP
Electrical Toolkit by HCP
Conduit + load calcs for pros
Free

A comprehensive electrical calculator and conduit bending tool designed for professionals, providing common calculations and conversions in a clean and simple interface for efficient work. Download it to streamline your electrical work and stay ahead with upcoming updates adding more tools.

🔧 Utilities
(18)
11
Electrical engineering tools
Electrical engineering tools
Electrical engineering tools
Electrical calculation tools
Free
📊 Productivity
(0)
12
Kopperfield
Kopperfield
Kopperfield
Load calcs, NEC help, and more
Free

Streamline your electrical design and permitting process with this comprehensive tool, featuring load calculators, line diagrams, panel schedules, and NEC code references. Get instant access to essential features and generate professional reports to share with inspectors and customers, saving you time and money.

🔧 Utilities
(9)
13
WAGO
WAGO
WAGO
The app for electricians
Free

Get the ultimate app for electricians and electrical professionals, combining useful tools and product information at your fingertips. Download it now to streamline your electrical planning, search products efficiently, and find WAGO dealers near you with ease.

🔍 Reference
(12)
14
Ohm's Law: Circuit Calculator
Ohm's Law: Circuit Calculator
Ohm's Law: Circuit Calculator
Electrical Calculator & Solver
Free
🔧 Utilities
(1)
15
ElectraLink
ElectraLink
ElectraLink
Electrical Calculations
Free
📚 Education
(0)
16
Soroban Training
Soroban Training
Soroban Training
by Jumpei Adachi
Free

Play the virtual abacus and practice creating math problems with a traditional counting tool. Download to hone your math skills and mastery of basic arithmetic operations.

📚 Education
(165)
17
Electrical Amps
Electrical Amps
Electrical Amps
The electrician's helper
Free

This app helps electrical tradespeople with ampacity calculations, using correction factors in accordance with the USA and Canadian Electrical Codes. Try it for free for 7 days, then subscribe monthly or yearly to unlock unrestricted functionality.

💼 Business
(2)
18
power grid calculator
power grid calculator
power grid calculator
electrical engineering
Free
📊 Productivity
(0)
19
Dakota - The Electrician App
Dakota - The Electrician App
Dakota - The Electrician App
Load, Conduit & NEC Calculator
Free
📚 Education
(5)
20
DC Electric Generator
DC Electric Generator
DC Electric Generator
EMF calculations of lap & wave
Free

This application calculates the induced or generated EMF of a DC generator, supporting both lap-wound and wave-wound calculations. Enter the required parameters, such as speed, poles, magnetic flux, and armature conductors, to get the EMF calculated instantly.

🔧 Utilities
(5)