# Electrical Calculator lite — 60 Calculators & 16 Converters

> Electrical engineering and wiring calculator and converter toolkit. (iPhone/iPad app by V PUGAZHENTHI.)

- Source: https://appshunter.io/ios/app/electrical-calculator-lite/id922903696 (this page in markdown: same URL + `.md`)
- Developer: [V PUGAZHENTHI](https://appshunter.io/developer/491898049)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Rating: 4.60/5 from 574 App Store ratings · 32 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.6 · 65 MB
- Languages: American English, Arabic, Dutch, Canadian French, German (Germany), Italian, Polish, Brazilian Portuguese, Chinese (Simplified, China), European Spanish
- Released: 2014-10-14
- Data updated: 2026-08-28
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/electrical-calculator-lite/id922903696/reviews.md

## What is Electrical Calculator lite?

Trusted by over 15,000 users worldwide, the Electrical Calculator App is your all-in-one solution for electrical engineering, wiring, and circuit analysis. Designed for engineers, electricians, students, and hobbyists, this app offers a wide range of calculators to handle everything from basic Ohm’s Law to complex impedance and RLC circuits.

Available Calculations:

Basic Electrical Calculators:
• Resistor Color Code (Ω)
• Voltage Calculator (Ω)
• Current Calculator (Ω)
• Resistance Calculator (Ω)
• Power Calculator (Ω)
• Voltage Drop Calculations
• Wire Size Selector

Impedance Calculations (R-L-C):
• Impedance Calculators R-L-C
• R and L in Series
• R and L in Parallel
• R and C in Series
• R and C in Parallel
• L and C in Series
• L and C in Parallel
• R, L and C in Series
• R, L and C in Parallel

Power and Current Calculators:
• Single Phase Power
• Three Phase Power
• Single Phase Current
• Three Phase Current
• kVA to Amps (Single Phase)
• kVA to Amps (Three Phase)
• Amps to kVA (Single Phase)
• Amps to kVA (Three Phase)

Transformer Calculations:
• Transformer Calculator (Current)
• Transformer Calculator (Voltage)

Horsepower and Current (HP):
• DC Horsepower
• Single Phase Horsepower
• Three Phase Horsepower
• DC Current (HP)
• Single Phase Current (HP)
• Three Phase Current (HP)

Efficiency and Power Factor:
• Efficiency (DC)
• Efficiency (Single Phase)
• Efficiency (Three Phase)
• Power Factor (Single Phase)
• Power Factor (Three Phase)

Lighting Calculations:
• Luminous Intensity (Light Calculation)
• Luminous Flux (Light Calculation)
• Solid Angle (Light Calculation)

Energy Storage and Cost Calculations:
• Energy Cost Calculation
• Energy Storage (Resistance)
• Energy Storage (Inductance)
• Energy Storage (Capacitance)

Star-Delta Conversion:
• Star to Delta Conversion
• Delta to Star Conversion

Reactance and Frequency Calculators:
• Inductive Reactance
• Capacitive Reactance
• Resonant Frequency
• Inductor Sizing Equation
• Capacitor Sizing Equation

Series and Parallel Calculations:
• Resistance (Series)
• Resistance (Parallel)
• Inductance (Series)
• Inductance (Parallel)
• Capacitance (Series)
• Capacitance (Parallel)
• Unknown Resistance (Series)
• Unknown Resistance (Parallel)
• Unknown Capacitance (Series)
• Unknown Capacitance (Parallel)

Other Tools:
• DC Generator

Electrical Unit Converters:
• Electrical Converter
• Field Strength
• Electrical Potential
• Resistance
• Resistivity
• Conductance
• Conductivity
• Capacitance
• Inductance
• Charge
• Linear Charge Density
• Surface Charge Density
• Volume Charge Density
• Current
• Linear Current Density
• Surface Current Density
• Power

Whether you’re troubleshooting, designing, learning, or estimating, the Electrical Calculator App provides accurate, real-time results to support your electrical work.
Download now and enhance your productivity with the most complete electrical calculator toolkit on the App Store.

## Key features

- 60+ Electrical Calculators
- 16 Electrical Unit Converters
- Ohm's Law Calculations
- RLC Circuit Analysis
- Power and Current Calculations
- Transformer Calculations
- Wire Size Selector

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Electrical Calculators | $3.99 | one-time |
| 16 Electrical Converters | $0.99 | one-time |


## What do users think of Electrical Calculator lite?

Overall sentiment: mixed

**Pros**

- 👍 Very helpful formulas for homework
- 👍 Easy to use interface
- 👍 Comprehensive electricity app, a true Swiss Army knife
- 👍 Well-designed, intuitive, and aesthetic interface
- 👍 Great for work, very useful
- 👍 Made calculations very easy
- 👍 Top app
- 👍 Awesome app, looking for more
- 👍 Discovered it and it's the best

**Cons**

-  anúncios são muito irritantes
- 💰 Useful features are paywalled (RMS calculator, transformer calculator, MVA/current calculator)
- 💰 Costs too much
- 💰 Extremely basic calculators, rest require purchase
- 💰 Unlock option doesn't work
- 💰 Threw money away on an incorrect calculator
- 💰 Lacking in needed areas, no MHz option for reactance and resonance calculators

**Commonly reported bugs**

- Unlock option doesn’t work
- Voltage drop calculator is incorrect compared to other apps

**Most requested features**

- Output vs frequency sweep plotting for resonance points or impedance graphs for RL and RC circuits
- Add MHz option for capacitive and inductive reactance calculators
- Add MHz option for resonance frequency calculator

## Recent user reviews (10 of 32)

All indexed reviews: https://appshunter.io/ios/app/electrical-calculator-lite/id922903696/reviews.md

### 1/5 — Adverts

*2026-07-23*

Was a great app, now unusable as there is an advert every calculation.

**Developer response:** Thanks for your review will reduce the Ads.

### 1/5 — 就是垃圾。必须购买会员才能用

*2026-01-30*

就是垃圾。必须购买会员才能用

### 2/5 — Adds are very annoying

*2025-10-13*

Low level click bait

**Developer response:** Thank you for your feedback! The one time in-App purchase removes all ads. And unlock all the Calculators and the Converters in the App.

### 3/5 — 不出结果

*2025-08-10*

电线尺寸计算器，大电流远距离不出结果。

**Developer response:** 请联系支持人员并提供屏幕截图@contact.pugal.apps@gmail.com，我们将很乐意解决该问题。

### 5/5 — C’est mon couteau suisse.

*2025-07-24*

Pour ma part, très utile.

**Developer response:** heureux de l'entendre 😎

### 1/5 — Garbage

*2025-06-11*

Everything that is useful ie RMS calculator, transformer calculator MVA/current calculator is pay to unlock. Take this app off the AppStore fraudster!

### 1/5 — 垃圾

*2025-03-24*

垃圾

### 5/5 — Perfect

*2024-05-07*

I just discovered it and its the best

**Developer response:** 😎

### 5/5 — E eu a

*2024-04-19*

Essa W é🤣😋bm mim d da e casa de e  Tc😌☺️😌😋😊😋z ex dxm vc xAe  tas a r se a Zezé essa era ex ex da e x desde F2xd F CDD

**Developer response:** 😎

### 5/5 — App

*2023-11-02*

Awesome.
I am looking for more apps from you.

**Developer response:** happy to hear ..

## Frequently asked questions about Electrical Calculator lite

### What does the Electrical Calculator lite app do?

The Electrical Calculator lite app provides a comprehensive suite of over 60 calculators and 16 converters for electrical engineering tasks. It assists with circuit analysis, wiring calculations, power conversions, and various other electrical computations.

### What are the key features of this electrical calculator app?

Key features include a wide array of calculators for Ohm's Law, RLC circuits, power and current, transformers, and horsepower. It also offers unit converters for electrical quantities and tools like a wire size selector and resistor color code lookup.

### Is the Electrical Calculator lite app free to use?

The app is available for free download and use, but it does offer in-app purchases. This means some advanced features or additional content might require a purchase to unlock.

### Who is the target audience for the Electrical Calculator lite app?

This app is designed for professionals and enthusiasts in the electrical field, including engineers, electricians, students studying electrical subjects, and hobbyists who work with electrical systems.

### What kind of electrical calculations can I perform with this app?

You can perform a vast range of calculations, from basic Ohm's Law and voltage drop to complex impedance calculations for R-L-C circuits. It also covers single and three-phase power, transformer current and voltage, efficiency, power factor, and lighting calculations.

## Version history (last 5 releases)

### 10.0 — 2026-07-15

• Find calculators faster — new category chips group all 60+ calculators by purpose
• Bug fixes and improvements

### 9.8 — 2026-06-08

Minor improvements and bug fixes to keep your calculations smooth and reliable.

### 9.7 — 2026-06-03

Minor improvements and bug fixes to keep your calculations smooth and reliable.

### 9.6 — 2026-04-30

Performance improvements, refined Pro paywall, and better user experience — update now.

### 9.5 — 2026-03-23

• Fixed an issue where wire size calculation results were not displayed properly in dark mode.

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| --- | --- | --- | --- |
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## More apps by V PUGAZHENTHI

- [Ohms Law Calc.](https://appshunter.io/ios/app/ohms-law-calc/id491898006)
- [Electrical Calculator](https://appshunter.io/ios/app/electrical-calculator/id495478153)
- [Electrical Converter](https://appshunter.io/ios/app/electrical-converter/id497685179)
- [Electrical Engineering Pack](https://appshunter.io/ios/app/electrical-engineering-pack/id505423236)
- [Elec Series & Parallel Calc.](https://appshunter.io/ios/app/elec-series-and-parallel-calc/id511296315)
- [Universal Converter.](https://appshunter.io/ios/app/universal-converter/id519552652)

All apps by V PUGAZHENTHI: https://appshunter.io/developer/491898049

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*