ElectroFormula

ElectroFormula is your comprehensive, offline pocket reference for all things electrical.
Designed for students, engineers, electricians, and hobbyists, this app provides a vast collection of calculators, formulas, and reference guides right at your fingertips without needing an internet connection.
🛡️ SAFETY FIRST: ZERO DATA COLLECTION
We believe in privacy. ElectroFormula is built to be completely safe and secure.
No Internet Required: Works 100% offline.
No Permissions Needed: We don't ask for access to your contacts, location, or files.
No Personal Data Collected: Your usage stays on your device.
⚡ KEY FEATURES & CALCULATORS
Navigate through a clean, intuitive interface with dozens of screens dedicated to specific electrical topics.
🔹 DC Circuits
Ohm's Law Calculator: Instantly solve for Voltage (V), Current (I), or Resistance (R).
Power Calculator: Calculate DC power using P=VI, P=I²R, or P=V²/R.
Series & Parallel Resistors: Find the equivalent resistance for complex networks.
Voltage & Current Dividers: Compute output values in divider circuits.
🔹 AC Circuits
AC Power Triangle: Calculate Real Power (P), Reactive Power (Q), and Apparent Power (S).
Power Factor: Determine and correct power factor.
Frequency & Period: Convert between frequency (Hz) and time period (T).
🔹 Components & Wiring
Resistor Color Code Decoder: Easily identify resistance values from 4-band and 5-band color codes.
Capacitor Codes: Decode ceramic and film capacitor markings.
Wire Gauge Guide (AWG): Reference table for wire diameter and ampacity.
🔹 Machines & Motors
Synchronous Speed: Calculate motor speed based on frequency and poles ($N_s = 120f / P$).
Motor Slip: Determine the percentage slip of an induction motor.
Who is this app for ?
Electrical Engineering Students needing a quick formula check.
Electricians on job sites requiring an offline reference.
DIY Electronics Hobbyists building circuits.
Anyone preparing for electrical trade exams.
ElectroFormula - Your electrical reference companion, always in your pocket.