This app serves as a comprehensive formula library and calculator, designed for tradespeople, engineers, and students. It offers over 200 formulas across various scientific disciplines, with automatic unit conversion and offline functionality.
1.3.3
October 19, 2026
Bugs fixed - better design
The Formula Calculator is a reference app that combines a comprehensive library of over 200 formulas with a built-in calculator. It's designed to help users quickly find and use formulas for geometry, mechanics, electrical engineering, and more, with automatic unit conversion.
No, The Formula Calculator is ad-free. The app explicitly states 'no ads, no tracking', providing an uninterrupted user experience.
The Formula Calculator is a paid app, priced at $1.99. This one-time purchase grants access to all its features and formulas.
Yes, The Formula Calculator is fully offline. You do not need an internet connection to access its formula library or perform calculations.
The Formula Calculator is available on iPhone, iPad, and iPod. A simplified version is also available for Apple Watch for quick lookups and calculations.
The Formula Calculator supports a wide range of languages, including German, English, French, Spanish, Portuguese, Italian, Dutch, and many others, making it accessible to a global audience.
The latest version, 1.2.6, was released on September 30, 2026, indicating recent development activity. The app was initially released on September 23, 2026.
The app includes formulas for geometry and areas, volume, mechanics and strength of materials, heat, fluid mechanics and pumps, electrical engineering, acoustics, hydraulics, chemistry, and physics.
