One Rep Max (1RM) Calculator
Strength & lifting percentages (Epley & Brzycki)| % of 1RM | Lift Weight | Max Reps |
|---|
Estimated 1RM
Estimated 1 Rep Max
96 kg
Average of Epley & Brzycki
Epley Formula:
96 kg
Brzycki Formula:
93 kg
Lander Formula:
94 kg
Heavy 3RM (93%):
89 kg
Frequently Asked Questions
One Rep Max (1RM) is the maximum amount of weight a person can lift for one complete repetition of a given exercise with proper form.
Epley Formula:
Brzycki Formula:
1RM = Weight × (1 + (Reps / 30))Brzycki Formula:
1RM = Weight × (36 / (37 − Reps)).