VoltKit Electronics Toolkit

VoltKit is a modern electrical and electronics toolkit built for students, hobbyists, electricians, and professional engineers.

From beginner Ohm’s Law problems to advanced three-phase power and cable sizing, VoltKit puts essential calculators and references in one fast, offline-friendly Android app with a clean Material Design interface.

KEY FEATURES

• Resistor color code — decode and encode 4-band and 5-band resistors visually
• Series & parallel networks — interactive circuit view; tap resistors to edit values
• Ohm’s Law & power — solve V, I, R and power in seconds
• Kirchhoff’s laws — two-mesh circuit analysis with clear results
• Cable sizing & voltage drop — recommend cross-section and estimate drop
• LED resistor, voltage divider, 555 timer, op-amp, LM317
• Reactance & impedance, RC/RL filters, star–delta transformation
• Three-phase power, transformer calculator, battery life
• AWG wire table, SMD resistor codes, E-series nearest values
• PCB trace width (IPC-2221 style estimate)
• Unit converter with SI prefixes
• Favorites, search, and categorized tools
• Light / Dark / System theme
• Multi-language support
• Optional one-time purchase to remove ads

WHO IS IT FOR?

• Electronics & electrical engineering students
• Makers and DIY hobbyists
• Field technicians and electricians
• Professional EE engineers who need quick calculations on the go

WHY VOLTKIT?

Competitors often feel dated. VoltKit focuses on a modern UI, interactive visuals (especially for circuits and resistor bands), and a broad toolkit that grows with you — from first semester basics to professional power calculations.

Privacy Policy:
https://planning-with-ai-e04ce.web.app/privacy-policy

Download VoltKit and keep your electrical & electronics toolbox in your pocket.