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.