Engg ToolBox
Angel's Engineering Tools Contains ads
All in One Engineering calculators, unit conversion & industrial reference tools
- Downloads
- 23+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Sep 27
- 2026 · v1.0.1
Screenshots
About Engg ToolBox
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.
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.
What’s new
Version 1.0.1 · Updated September 27, 2026
Motor Selection - Component Selection Guidance Features added.(User can Automatic consider Electrical Component / Wire Selection as per Motor Load.)
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Engg ToolBox | – | Free | 10+ | Sep 27, 2026 | |
| NEC Electrical Exam by Dakota | 4.8 / 5 | Free | 5,000+ | Sep 16, 2026 | Compare |
| Official ATI TEAS Prep 2026-27 | 4.6 / 5 | Free | 50,000+ | – | Compare |
| ASVAB Mastery: ASVAB Test 2026 | 4.7 / 5 | Free | 100,000+ | Sep 30, 2026 | Compare |
| SE ATI TEAS & HESI Prep 2025 | 4.0 / 5 | Free | 500+ | Mar 5, 2024 | Compare |
| ASVAB Practice Test 2026 | 4.6 / 5 | Free | 10,000+ | – | Compare |
| ASWB Exam Prep Practice 2026 | 4.3 / 5 | Free | 10,000+ | Dec 6, 2025 | Compare |
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