One Rep Max (1RM) Weightlifting & Percentage Calculator
Calculate your maximum single-rep bench press, squat, or deadlift capacity and training percentages using Brzycki, Epley, and Lander formulas.
Inputs used by this tool
Enter values in the interactive controls when the page loads. The result depends on the assumptions and units shown for each field.
Input type: number
Input type: number
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