Calculate your estimated one rep max (1RM) for any compound or isolation lift using multiple proven formulas including Epley, Brzycki, and Lander methods. Get precise training percentages for strength development (85-100%), hypertrophy building (67-85%), and muscular endurance training (50-67%). Essential for powerlifters, bodybuilders, CrossFit athletes, personal trainers, and gym enthusiasts programming effective progressive overload, tracking strength gains, and optimizing training cycles scientifically.
Use the One Rep Max Calculator to your estimated one rep max (1RM) for any compound or isolation lift using multiple proven formulas including Epley, Brzycki, and Lander methods. Get precise training percentages for strength development (85-100%), hypertrophy building (67-85%), and muscular endurance training (50-67%). Essential for powerlifters, bodybuilders, CrossFit athletes, personal trainers, and gym enthusiasts programming effective progressive overload, tracking strength gains, and optimizing training cycles scientifically.. Enter your values to get accurate, instant results tailored to your situation.
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