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Calculators

Estimated 1 Rep Max

Enter your multiple-rep max lift weight and reps. This uses the following formula: wt. x reps x .0333 + wt.= 1RM. Courtesy of Jim Wendler and his 5/3/1 strength program. Use this for Bench, Press, Deadlift or Squat. Not for Olympic Weightlifting.

Weight:

Reps :

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