One RM Calculator - 1 Rep Max

Calculate your weightlifting one RM - Bodybuilding helper

Enter your weight and reps to see how much you can lift instantly.

Calculate your squat, bench press and deadlift one rep max. Simply tell one rm calculator how much weight you lifted, how many times you lifted it, and your one rep max will be calculated.

Attempting a heavy back squat without knowing your limit can easily lead to injury. This app provides you with a strength estimate before you attempt your heavy lifts.