One-rep max estimator

Estimate 1RM from a sub-max set using Brzycki, Epley, and Lombardi formulas — averaged for a robust prediction.

Estimated 1RM (lb)

Average of Brzycki/Epley/Lombardi

Show the work

  • Brzycki 1RM253
  • Epley 1RM263
  • Lombardi 1RM264
  • 80% training weight208
  • 70% training weight182

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