1-Rep Max Calculator
Estimate your one-rep max (1RM) from a recent set — no need to test it directly.
Estimates get less accurate above ~10–12 reps. Always warm up and use a spotter for true max attempts.
Estimate your one-rep max (1RM) from a recent set — no need to test it directly.
Estimates get less accurate above ~10–12 reps. Always warm up and use a spotter for true max attempts.