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Online fitness calculator estimates approximate one rep max (1 repetition maximum or 1RM) bench press. The bench press is an exercise term, in which the weightlifter lies on a bench in horizontal position with feet and raises a weight with both arms.
Calculate One Rep Max (1RM)DOWNLOAD CALCULATOR
Formula for Bench Press
One rep max (1RM) = (-1.89 ) + (1.16 x W) + (1.68 x R)
- W= Weight
- R= Number of Repetition
Example for Bench Press
Find out the one rep max value if the weight of a person is 49 kg and number of repetition is 4.
Weight= 49 kg Number of Repetition= 4
One repetition maximum value
Substitute the given values in the formula to find the one rep max value, =(-1.89 )+ (1.16 x W) + (1.68 x R) = (-1.89 )+ (1.16 x 49) + (1.68 x 4) = 61.67
Approx 1 rep max is 61.67