1-Rep Max Calculator
Estimate your one-rep max for any lift using the Epley formula. Get a full percentage table for your training zones.
How to use your 1RM for programming
Your 1RM is the foundation of strength programming. Use it to set weights for different rep ranges: 85-95% for strength work (1-5 reps), 67-85% for hypertrophy (6-12 reps), and below 67% for endurance and conditioning.