Best Electricity Calculator Apps

248+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated September 2026

Finding the right electricity calculator apps can be overwhelming with so many options. We've analyzed 248+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Electricity Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Electrical Calculator PlusElectrical Calculator PlusFree4.4★ (15)YesNoAug 2026
2Ohms Law Calc.Ohms Law Calc.Free4.7★ (1.3K)YesYesSep 2026
3Energy Costs CalculatorEnergy Costs CalculatorFree4.7★ (81)NoNoSep 2026
4Lao Electricity CalculatorLao Electricity CalculatorFreeNoNoMay 2026
5Electrical Calculator liteElectrical Calculator liteFree4.6★ (574)YesYesSep 2026
6Electrical CalculationsElectrical CalculationsFree4.6★ (126)YesYesAug 2026
7Electrical Calculator: NECElectrical Calculator: NECFreeNoYesJul 2026
8Calculator‰Calculator‰Free4.9★ (409K)YesNoSep 2026

Top Picks for Electricity Calculator

Electrical Calculator Plus#1

Electrical Calculator Plus by Calc Hub, LLC

by Inch Calculator
Editor's Choice
🔧 Utilities
4.4(15 ratings)
FreeAds
Electrical Calculator Plus screenshot 1
Electrical Calculator Plus screenshot 2
Electrical Calculator Plus screenshot 3
Electrical Calculator Plus screenshot 4
Electrical Calculator Plus screenshot 5
Electrical Calculator Plus screenshot 6

This app offers a comprehensive suite of 26 electrical and electronics calculators and converters. It helps users compute various electrical properties, including Ohm's Law, current, power, voltage, and resistance. It also features tools for wire ampacity, voltage drop, and LED resistor calculations.

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
Energy Costs Calculator#3

Energy Costs Calculator by Bjoern Bartels

Power consumption of devices
Worth Considering
🔧 Utilities
4.7(81 ratings)
Free
Energy Costs Calculator screenshot 1

Calculate the annual cost and energy consumption of your electrical devices. Determine how long it will take for energy-saving appliances to become profitable. This tool helps you understand your energy usage and make informed decisions.

More Electricity Calculator apps to explore

FAQ about Electricity Calculator

What are the best electricity calculator apps for iPhone?
Electrical Calculator Plus tops our electricity calculator apps ranking as of September 2026, with a 4.4-star average from 15 App Store ratings, and it's free to download.
Yes — 19 of the top electricity calculator apps we rank are free to download, including Electrical Calculator Plus and Ohms Law Calc..
Electrical Calculator Plus shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 248+ electricity calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Electrical Calculator Plus offers 26 calculators and converters for various electrical properties. These include Ohm's Law, current, power, voltage, resistance, horsepower, voltage drop, wire ampacity, and LED resistor calculations, among others.
Electrical Calculator Plus is supported on iPhones and iPads.