Simple one rep maximum estimator that can easily be put into a Google Classroom.Formula used is the Brzycki formula, which shows reliable results in peer reviewed literature.1RM is crucial for developing a percentage based lifting program to maximize performance long term.Also available:Weightlifting 1 Rep Max Estimator and Tracker - Full - Google Classroom Friendly - Same base functionality as this product, but with the added ability to track progress over time, as well as other functionality.I