# Engg ToolBox > All in One Engineering calculators, unit conversion & industrial reference tools Canonical page: [https://chrome-stats.com/d/com.angelsengineering.enggtoolbox](https://chrome-stats.com/d/com.angelsengineering.enggtoolbox) ## Overview - **ID:** `com.angelsengineering.enggtoolbox` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Angel's Engineering - **Category:** TOOLS - **Downloads:** 14 - **Version:** 1.0.0 - **Last updated:** 2026-09-05 - **First published:** 2026-09-05 - **Publisher country:** IN - **Size:** 59 MB - **Data as of:** 2026-09-11 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.angelsengineering.enggtoolbox) - **Website:** [https://anglesengineering-enggtoolbox.blogspot.com](https://anglesengineering-enggtoolbox.blogspot.com/) - **Privacy policy:** [https://anglesengineering-enggtoolbox.blogspot.com/p/privacy-policy-about-us.html](https://anglesengineering-enggtoolbox.blogspot.com/p/privacy-policy-about-us.html) ## Description Engg ToolBox is an all-in-one engineering utility app designed for engineers, technicians, students, professionals, and industrial automation experts who are in Design , Execution & maintenance. Also it will be helpful for Normal day to day Life activity for Shopkeeper & Normal Public.

The app provides quick engineering calculations, unit conversions, industrial references, and practical tools that help improve productivity in the field, office, and plant.

Key Features:

>> Instrumentation engineering tools
* Instrumentation Equations
* 4-20 mA Range
* Signal Conversion(For PLC's)
* PID Auto-Tune
* Pressure/Level/Flow/Temperature/Density Unit Conversion
* Steam Table
* Pipe Sizing Calculation
* Valve CV Calculation
* Orifice Sizing Calculation
* Pipe Pressure Ratings Calculation

>> Electrical calculations
* Electrical Equations
* Power to Current Conversion
* Cable Sizing Selection
* Voltage drop for Cable length
* Motor Start Current/Power
* Power/Energy Unit Conversion

>> Mechanical calculators
* Mechanical Equations
* Weight Calculator
* Pump Head & Power Calculator
* Pump Efficiency Calculator
* Force Unit Conversion

>> Chemical calculators
* Chemical Equations

>> Civil/Structural calculators
* Civil Equations

>> Process / Utility Calculator
* Process Equations
* Fluid Mechanics Equations
* Thermo Dynamics Equations

>> Tank/Tanker Simulation
For Loading n Unloading Tank / Tanker time require calculation for Fill/Empty

>> Unit Converter Calculator
* Length /Volume/Mass/Area/Speed/Time/Data Unit Conversion

>> Function Safety
* Safety/SIL Equation

>> Automation Calculation
* Automation Equations

>> Specialty Calculation
* Aerospace Equation
* Materials Equation
* Signal/DSP Equation
*Nuclear Equation

>> Financial Tools
* Live Currency Conversion
* EMI/SI/CI Calculator
* Tax/GST Calculator
* Discount/Profit Calculator
* Calculator

>> Utilities Calculator
* Unit Price to Weight/Volume/Count Calculator

>> Health & Daily
* BMI Calculator
* As per Birthdate no of days Calculator


Facility
• Quick lookup reference
• Easy-to-use interface
• Offline access for most tools

Suitable for professionals working in:

• Oil & Gas
• Chemical Plants
• Petrochemical
• Water & Wastewater
• Power Plants
• Pharmaceutical
• Food & Beverage
• Manufacturing Industries

Whether you are working on commissioning, maintenance, design, troubleshooting, or engineering calculations with financial calculation , Engg ToolBox provides practical tools to simplify daily engineering tasks.

The application is regularly updated with new engineering calculators, industrial references, and useful features to support engineers and technicians.

Download Engg ToolBox and keep your engineering toolbox in your pocket. ## Rankings - #2,709,993 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.ACCESS_WIFI_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.SYSTEM_ALERT_WINDOW` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.android.vending.CHECK_LICENSE` - `com.angelsengineering.enggtoolbox.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.google.android.gms.permission.AD_ID` ## Similar extensions and apps - [Electrical Engineering Toolkit](https://chrome-stats.com/d/com.engineering.electricaltoolkit) — 67 users - [EngTools - Engineering Toolbox](https://chrome-stats.com/d/com.appogeelabs.engtools) — 1,780 users - [Engineering Tools](https://chrome-stats.com/d/com.hobbydeveloper.engineeringtools) — 37 users - [Engineering Toolkit](https://chrome-stats.com/d/fi.chemeng.engtoolkit) — 21 users - [Instrument Toolbox Engineer](https://chrome-stats.com/d/io.kodular.baz_tiffy.InstrumentTolBox) — 928 users - [Engineering Notes](https://chrome-stats.com/d/io.kodular.y_srivatsa.EngineeringNotes) — 16,126 users - [Instruments: Engineering Tools](https://chrome-stats.com/d/lucianoblz.instruments) — 54 users - [Engineering Toolkit](https://chrome-stats.com/d/com.logixra.engineering_toolkit) — 404 users - [Engineering formulas & calc](https://chrome-stats.com/d/com.adsoyad.engcalculator.eng_calc) — 121 users - [Engineering Calculator & Units](https://chrome-stats.com/d/com.gigante.engineeringcalc) — 66 users - [InsToolBox](https://chrome-stats.com/d/com.rdxb.instoolbox) — 13 users - [Engineering Calculator Pro](https://chrome-stats.com/d/cloud.nexovia.engineeringcalculator) — 2,450 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.angelsengineering.enggtoolbox)