๐๏ธ 1RM (One-Rep Max) Calculator
Calculate your one-rep max (1RM) from weight and number of reps.
What is 1RM?
1RM (One Repetition Maximum) is the maximum weight you can lift for one repetition. It is the standard for setting training intensity.
Testing 1RM directly carries injury risk, so estimation formulas are recommended.
Estimation Formulas
Epley: 1RM = w ร (1 + r / 30)
Brzycki: 1RM = w ร 36 / (37 - r)
Lombardi: 1RM = w ร rโฐยทยน