One-Rep Max Calculator
Estimate your 1RM and training percentages
Estimated from a submaximal set (average of the Epley and Brzycki formulas). Most accurate at 10 reps or fewer. Estimates only — lift safely.
training percentages
| %1RM | weight | ~reps |
|---|
Estimated from a submaximal set (average of the Epley and Brzycki formulas). Most accurate at 10 reps or fewer. Estimates only — lift safely.
| %1RM | weight | ~reps |
|---|