All your everyday calculations in one app
Over 100 ready-to-use calculators in finance, health, sport, home, travel and leisure. Import them in one tap or build your own.
See the app in action
Why choose Formulo?
- 100+ built-in calculators available in English and French
- One-tap import from the library — every calculator is instantly ready to use
- Build custom calculators with your own variables and mathematical formulas
- No account, no subscription, no ads
- Data stored locally on your device — works fully offline
- Fully gesture-based navigation — swipe to control everything
- Powerful math engine powered by mathjs (sqrt, sin, cos, log, PI…)
Popular calculator examples
Health
Home
Leisure
Download Formulo for free
Formulo is available on Android, completely free — no ads, no subscription. All your data stays on your phone. Import any of the 100+ calculators in a single tap, or create your own with a custom mathematical formula. No internet connection required.
Frequently asked questions about Formulo
Is Formulo free?
Yes, Formulo is completely free. There are no ads, no in-app purchases, and no subscriptions. You get access to all features at no cost.
Is my data sent to the internet?
No. All your data and calculators are stored exclusively on your phone. Formulo works entirely offline, with no server and no cloud sync.
Can I create my own formulas?
Yes — that's one of Formulo's core features. You can build custom calculators by naming your own variables and entering any mathematical formula using basic operators, advanced functions (sqrt, sin, log…), and constants (PI, E).
Do I need to be good at math to use Formulo?
Not at all. The 100+ calculator library is ready to use out of the box — just enter your values and get the result. The formulas are already built in and validated. Creating custom calculators requires slightly more effort, but remains accessible to anyone.
Are calculators available in French and English?
Yes. The entire library is available in both languages. You can switch between French and English calculators at any time based on your preference.