1 Rep Max and RPE Calculator

This calculator can be used to determine 1 rep max, or the weight that should be lifted for a desired RPE and rep range based on a 1 rep max.

A table relating RPE (Rate or Perceived Effort) to reps in reservce

Nuzzo, J.L., Pinto, M.D., Nosaka, K. et al. Maximal Number of Repetitions at Percentages of the One Repetition Maximum: A Meta-Regression and Moderator Analysis of Sex, Age, Training Status, and Exercise. Sports Med 54, 303–321 (2024). https://doi.org/10.1007/s40279-023-01937-7