Brian's Power Calculator
For engineers and technicians
Free · Designed for iPad. Not verified for macOS.
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!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Bug fixes.
The developer, Joshua Fitzpatrick, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Joshua Fitzpatrick
- Size
- 14.7 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Joshua Fitzpatrick