One-Rep Max Calculator

The One-Rep Max (1RM) refers to the highest amount of weight that you can lift for a single repetition of a specific exercise, such as the bench press, squat, deadlift, or overhead press. It represents your maximal strength for that particular lift.

Example of One-Rep Max Calculation

Let’s say you perform the bench press with 80 kg for 8 repetitions. To estimate your 1RM,

So, your estimated One-Rep Max (1RM) would be 101.6 kg.

One-Rep Max Calculator

Component Value
Weight Lifted (kg)
Reps Performed
One-Rep Max (ORM)
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