One-rep max (1RM) 계산기 Weight LiftedSelect12345678910 Reps Done 95% 1 RM 90% 1 RM 85% 1 RM 80% 1 RM 75% 1 RM 70% 1 RM 65% 1 RM 60% 1 RM 55% 1 RM 50% 1 RM One-Rep Max =