Calculateur de One-Rep Max (1RM)
One-Rep Max (1RM) Calculator Estimate your one-rep max from any working set without ever loading a maximal attempt. Plug in the weight you lifted and the number of clean reps to failure, and the calculator returns five validated 1RM estimates (Epley, Brzycki, Lombardi, O’Conner, Wathan), the average across formulas, a percentage-of-1RM rep chart, and a ...
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