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1 Rep Max Calculator

Estimate your one-repetition maximum (1RM) for strength training.

On-Device

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About 1 Rep Max Calculator

1 Rep Max Calculator estimates the maximum weight you can lift for a single repetition using formulas like Epley.

How to use 1 Rep Max Calculator

  1. Enter weight lifted.
  2. Enter reps performed.
  3. Calculate 1RM.
  4. Use result for training.

Use cases for 1 Rep Max Calculator

  • Strength training planning.
  • Progress tracking.
  • Workout optimization.

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