1 REP MAX CALCULATOR

To begin, pick a weight you can lift for about 6-8 reps. Perform 6 reps with this weight to start the calculation.

Weight used for 6 reps:

Preparation Set

Load the weight shown below and perform exactly 5 repetitions.

Load This Weight

-- lbs

Load the weight shown below and perform the MAXIMUM number of reps you can possibly do with good form.

Load This Weight

-- lbs

How many reps did you complete?

TRAINING 1-REP MAX

--lbs

(96% of Predicted Max)

Details (Averaged Formulas)

Predicted True Max:-- lbs

Epley Formula:-- lbs

Brzycki Formula:-- lbs