• 14 Dec 2025 Beta test started.

This is an experimental pre-release of CalFit. This version is intended for testing and gathering feedback on core features. Please be aware that data stability and performance may not be final.

The Importance of Knowing Your 1RM

Knowing your 1RM (One Repetition Maximum) is crucial for maximizing the effectiveness of your training.
1RM refers to the maximum weight you can lift for a single repetition. By understanding this figure, you can accurately assess your current strength levels and design appropriate training programs tailored to your goals.