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

Instructions

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.


Estimated Reps at Percent of 1 Repetition Maximum
Reps:
1 2 3 4 5 6 7 8 9 10 11 12 15
%1RM Brzycki 100 95 90 88 86 83 80 78 76 75 72 70
Baechle 100 95 93 90 87 85 83 80 77 75 67 65
dos Remedios 100 92 90 87 85 82 75 70 65 60

Brzycki, Matt (1998). A Practical Approach To Strength Training. McGraw-Hill.

Baechle TR, Earle RW, Wathen D (2000). Essentials of Strength Training and Conditioning, 2: 395-425.

dos Remedios R (2007) Men's Health Power Training, Rodale Inc. 23.


Other Calculators | Fitness Testing | Weight Training | Sample Mesocycle

Weightlifting Strength Standards | Actual Resistance | Workload Adjustment Calculator

Barbell Loading Calculator (Pounds | Kilograms)

Related Articles