Home

Predicting One-rep Max








Weight Lifted


Reps Performed


One-rep max


50% 1 RM
55% 1 RM
60% 1 RM
65% 1 RM
70% 1 RM


75% 1 RM
80% 1 RM
85% 1 RM
90% 1 RM
95% 1 RM


Enter "Weight Lifted" and "Reps Performed". The repetitions must be between 1 and 10. Press "Calculate" for the weight you may be able to perform for a single repetition.



Brzycki, M. Strength testing: Predicting a one-rep max from a reps-to-fatigue


Journal of Physical Education, Recreation and Dance 64 (1): 88-90, 1993.





| Sample Mesocycle |