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EZFreeTools › Calculators › One Rep Max Calculator

One Rep Max Calculator

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Estimate your 1RM from a submaximal lift.
lbs
Estimated 1RM (Epley) --
Brzycki formula --
Lombardi formula --

How to Use

  • Enter the weight you lifted and how many reps you completed.
  • Your estimated one-rep max appears from three formulas.
  • The percentage table shows training weights at each intensity.

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