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.