Best Electrical Calculations Apps

249+ iOS apps curated and reviewed

4.7 avg rating
16 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our electrical calculations list covers 249+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Electrical Calculations Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Electrical CalculationsElectrical CalculationsFree4.6★ (126)YesYesAug 2026
2Ohms Law Calc.Ohms Law Calc.Free4.7★ (1.3K)YesYesSep 2026
3Mike Holt's Electrical ToolboxMike Holt's Electrical ToolboxFree4.6★ (197)NoNoAug 2026
4Master Electrician Ref. LiteMaster Electrician Ref. LiteFree4.7★ (2.5K)NoNoSep 2026
5Electrical Wiring Pro 2017Electrical Wiring Pro 2017Free4.6★ (32)NoNoJul 2026
6ElectriCalc ProElectriCalc ProFree was $29.994.9★ (354)NoYesSep 2026
7Electrical calculationElectrical calculationFreeNoYesAug 2026
8Ugly's Electrical ReferencesUgly's Electrical References$12.994.4★ (1.5K)NoNoSep 2026

Top Picks for Electrical Calculations

Electrical Calculations#1
4.6(126 ratings)
FreeAdsIn-App Purchases
Electrical Calculations screenshot 1
Electrical Calculations screenshot 2
Electrical Calculations screenshot 3
Electrical Calculations screenshot 4
Electrical Calculations screenshot 5
Electrical Calculations screenshot 6

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.

Ohms Law Calc.#2

Ohms Law Calc. by V PUGAZHENTHI

Wire Size & Voltage Drop
Strong Contender
🔧 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

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.

What We Love

  • 🚀 Great value
  • 🚀 Works perfectly
  • 🚀 Fantastic app
  • 👍 Best thing since sliced bread
  • 🚀 Useful for electrical work
  • 👍 Clean and pleasing interface
  • 🚀 Terrific app

Room to Improve

  • 👎 Have to pay again for an app already purchased
  • 👎 Not easy to use
  • 🐛 Paid but not unlocked, no response from developer
  • 👎 Annoying pop-ups
  • 🐛 Keeps shutting down
  • 👎 Worst Ohms calculator ever
  • 👎 Needs more work
  • 👎 Incorrect Ohm's law formulas

More Electrical Calculations apps to explore

FAQ about Electrical Calculations

What are the best electrical calculations apps for iPhone?
Electrical Calculations tops our electrical calculations apps ranking as of September 2026, with a 4.6-star average from 126 App Store ratings, and it's free to download.
Yes — 16 of the top electrical calculations apps we rank are free to download, including Electrical Calculations and Ohms Law Calc..
Electrical Calculations shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ electrical calculations apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The app offers a wide range of calculations for electrical systems, including wire sizing, voltage drop, current carrying capacity, power calculations, circuit breaker sizing, and short circuit current. It also includes electronic calculations for resistors, fuses, and circuit dividers, as well as motor-related calculations and numerous unit conversions.
The application supports several key international electrical standards, including those from the International Electrotechnical Commission (IEC), the Comitato Elettrotecnico Italiano (CEI), the National Electrical Code (NEC), and the Canadian Electrical Code (CEC).