One Rep Max (1RM) Calculator
About One Rep Max (1RM) Calculator
The One Rep Max (1RM) Calculator is used to calculate your one-rep maximum (one repetition maximum or 1RM), which is the maximum amount of weight one can lift in a single repetition for a given exercise.
There are several common formulas used to calculate 1RM using the submaximal method. Our One Rep Max (1RM) Calculator is using Brzycki Formula to calculate 1RM.