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One Rep Max Calculator
Calculate your One-Rep Max (1RM) based on weight lifted and repetitions completed.
Weight Lifted
Unit
Kilograms (kg)
Pounds (lbs)
Repetitions Performed
Calculate One Rep Max
Estimated One Rep Max (Epley)
0 kg
Brzycki Formula
0
Lander Formula
0
Lombardi Formula
0
90% 1RM (Heavy)
0