Mayhew
- Equation
- 1RM = 100 × w / (52.2 + 41.9 × e^(−0.055 × r))
- Variables
- w
- Load lifted, same unit as the 1RM.
- r
- Repetitions completed.
- e
- Euler’s number.
- 1RM
- Estimated one-repetition maximum.
- Year
- 1992
- Authors
- Mayhew, J. L.; Ball, T. E.; Arnold, M. D.; Bowen, J. C.
- Source
- Journal of Applied Sport Science Research, 6(4), 200–206