Electrical Calculator Pro

⚡ Electrical Calculator Pro is the ultimate all-in-one toolkit for electricians, electrical engineers, technicians, students, solar installers, and industrial professionals.

Perform accurate electrical calculations instantly with over 250 professional calculators, formulas, references, and engineering tools — all available offline.

🔌 MAIN ELECTRICAL CALCULATORS

• Wire Size Calculator
• Voltage Drop Calculator
• Current Calculator
• Voltage Calculator
• Resistance Calculator
• Active Power Calculator
• Apparent Power Calculator
• Reactive Power Calculator
• Power Factor Calculator
• Power Factor Correction Calculator
• Impedance Calculator
• Reactance Calculator
• Conductor Resistance Calculator
• Maximum Wire Length Calculator
• Circuit Breaker Sizing Calculator
• Conduit Fill Calculator
• Earthing System Calculator
• Short Circuit Current Calculator
• Cable Temperature Calculator
• Cable Power Loss Calculator
• Current Carrying Capacity Calculator
• Admissible Let-Through Energy Calculator (K²S²)
• Operating Current Calculator
• Capacitor Power Calculator
• Transformer Power Factor Correction Calculator
• Analog Signal Calculator
• Temperature Sensor Calculator
• Joule Effect Calculator
• Fault Current Calculator
• Lightning & Overvoltage Risk Calculator

⚙ ELECTRONICS CALCULATORS

• Resistor Color Code Calculator
• Inductor Color Code Calculator
• Fuse Calculator
• Voltage Divider Calculator
• Current Divider Calculator
• Resonant Frequency Calculator
• Zener Diode Calculator
• LED Resistor Calculator
• Voltage Reduction Resistor Calculator
• Battery Life Calculator
• Transformer Winding Calculator
• Antenna Length Calculator
• CCTV Storage Calculator
• CCTV Bandwidth Calculator
• Series & Parallel Resistor Calculator
• Series & Parallel Capacitor Calculator

🔧 MOTOR CALCULATORS

• Motor Efficiency Calculator
• Three-Phase Motor Calculator
• Single-Phase Motor Calculator
• Capacitor Start Motor Calculator
• Motor Speed Calculator
• Motor Slip Calculator
• Maximum Torque Calculator
• Full Load Current Calculator
• Motor Connection Diagrams
• Motor Terminal Markings
• Insulation Class Reference

☀ SOLAR & INDUSTRIAL TOOLS

• Solar String Fault Current Calculator
• Solar Electrical Calculations
• Cable Sizing for Solar Systems
• Industrial Power Calculations
• Transformer Calculations
• Capacitor Bank Calculations
• Electrical Safety Calculations

📚 PROFESSIONAL FEATURES

✔ 250+ Engineering Calculators
✔ Electrical Formulas & References
✔ Three-Phase & Single-Phase Calculations
✔ IEC & NEC Based Calculations
✔ Offline Functionality
✔ Save Calculation History
✔ Favorites Support
✔ Fast Search
✔ Unit Conversions
✔ Modern Dark Theme
✔ Easy-to-Use Interface

🎯 PERFECT FOR

• Electricians
• Electrical Engineers
• Maintenance Engineers
• Solar Technicians
• Industrial Technicians
• Electrical Contractors
• Engineering Students
• Electrical Apprentices

Whether you need a wire size calculator, voltage drop calculator, power factor correction tool, motor calculator, short circuit calculator, or complete electrical engineering toolkit, Electrical Calculator Pro provides fast, reliable, and professional results anytime, anywhere.

Download Electrical Calculator Pro today and carry a complete electrical engineering toolbox in your pocket.