KalkulatorSredniej.app
Free calculators for students!
KalkulatorSredniej.app is a free online tool built for students, teachers, and parents in Poland. Our mission is simple: to provide fast, accurate, and easy-to-use tools for calculating grade averages, attendance, and exam scores.
All our calculators work directly in your browser β no registration, login, or app installation required. Your data is never sent or stored anywhere.
Instant calculations
Results appear immediately β no page reload needed.
Education system compatible
Calculators follow the Polish grading scale and school rules.
Full privacy
All calculations happen locally β we collect no personal data.
The website is continuously improved β we regularly add new calculators and enhance existing tools based on user feedback.
Have a question or suggestion? Contact us β we'd love to help!