ElectroFormula

Content rating
Everyone
10+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

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.
Updated on
Mar 31, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

Test
Content rating
Everyone
Learn more

App support

Phone number
+917863868283
About the developer
AMIT JASRAJBHAI KANANI
kananiamit132@gmail.com
India