# Brian's Power Calculator — For engineers and technicians

> For engineers and technicians (iPhone/iPad app by Joshua Fitzpatrick.)

- Source: https://appshunter.io/ios/app/brians-power-calculator/id6746960665 (this page in markdown: same URL + `.md`)
- Developer: [Joshua Fitzpatrick](https://appshunter.io/developer/1293610814)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 14 MB
- Languages: American English
- Released: 2025-06-09
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/brians-power-calculator/id6746960665/reviews.md

## What is Brian's Power Calculator?

Transform your electrical engineering workflow with this comprehensive calculator designed specifically for electrical professionals, students, and technicians.

PROFESSIONAL CALCULATIONS
• Power Triangle Analysis with visual diagrams
• Three-Phase Power Systems
• Power Factor Correction (capacitor sizing)
• Voltage Drop & Regulation calculations
• Short Circuit Analysis
• Transformer Rating, Impedance & Efficiency
• Energy Cost Analysis
• Harmonic Distortion (THD) calculations
• Cable Ampacity & Voltage Drop

COMPREHENSIVE UNIT CONVERTER
Convert between all electrical units including:
• Power: Watts, Kilowatts, Horsepower, VA, VAR
• Electrical: Voltage, Current, Resistance, Inductance, Capacitance
• Energy: Wh, kWh, Joules, BTU
• Physical: Length, Area, Temperature, Frequency

SMART FEATURES
• Calculation History with detailed results
• Customisable Engineering Defaults
• Professional Reference Materials
• Safety Guidelines & Best Practices
• Dark/Light Mode Support
• Offline Functionality

BUILT FOR PROFESSIONALS
Whether you're designing electrical systems, performing field calculations, or studying electrical engineering, this app provides accurate, reliable calculations following industry standards.

QUALITY ASSURANCE
All calculations follow established electrical engineering principles. Always verify critical calculations with additional methods and use professional judgment for safety-critical applications.
Perfect for electrical engineers, technicians, students, and anyone working with electrical systems. Download now and streamline your electrical calculations!


## Version history (last 2 releases)

### 1.1 — 2025-06-16

Bug fixes.

### 1.0 — 2025-06-09

No release notes.

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## More apps by Joshua Fitzpatrick

- [A Fidget App](https://appshunter.io/ios/app/a-fidget-app/id1293982321)
- [Christmas Frenzy](https://appshunter.io/ios/app/christmas-frenzy/id1313183872)
- [Trivia Showdown: Quiz Game](https://appshunter.io/ios/app/trivia-showdown-quiz-game/id6740487697)
- [Word Loop](https://appshunter.io/ios/app/word-loop/id6745501139)
- [EVE - Easy Video Editor](https://appshunter.io/ios/app/eve-easy-video-editor/id6747627707)

All apps by Joshua Fitzpatrick: https://appshunter.io/developer/1293610814

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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 2026-05-15.*