Bench Press Calculator (Find Your 1 Rep Max)

Your one rep max (1RM) for bench press is calculated using the following formula:
1RM = a * (1 + (r/30))
where a is an amount you can bench press for r repetitions.
For example, if you can bench press 180 lbs for 5 reps, then your one rep max is 180 * (1 + (5/30)) = 210.
To find the your one rep max, simply fill in the values below and then click the “Calculate” button.

Your one rep max is: 210.00

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