1RM
One Rep Max
Weight Lifted
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Reps Performed
Estimated 1RM
120
kg
What is 1RM?
One-Rep Max (1RM) is the maximum weight you can lift for one repetition. It's used to measure strength and plan training programs.
The Brzycki formula estimates 1RM from weight and reps: 1RM = weight × (1 + reps/30)
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