Engineering & Utilities
The Engineering Toolbox
172+ engineering calculators and reference tools
iOS Android
Engineering Toolbox home screen showing 12 module hexagons
Engineering Toolbox desktop view with all modules
Engineering Toolbox settings page
About
A comprehensive suite of engineering calculators, reference tools, and utilities spanning 12 engineering disciplines. From Ohm's Law to fluid dynamics, structural analysis to thermodynamics — every calculation an engineer needs, in one place.
Features
- 172+ precision calculators
- 12 engineering disciplines
- Favorites system for quick access
- Offline-ready — no internet required
- Dark theme optimized for focus
- WCAG 2.1 AA accessible
Modules
Physics Electrical Chemistry Computer Science Instrumentation Mechanical Fluids Civil & Structural Mathematics Materials Safety & Quality
Support
Download The Engineering Toolbox
Available now on iOS and Android.