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.

I can bench press this amount

For this many reps

Your one rep max is: 210.00