Strength Calculator

Calculate your one-rep max and assess your strength level compared to others.

One Rep Max Calculator
Enter your lift details to calculate your estimated one-rep maximum
kg
kg

Instructions:

  • • Enter the maximum weight you can lift for the given number of reps
  • • Use your most recent personal best for accuracy
  • • Ensure proper form was maintained throughout the lift
  • • For best results, use rep ranges between 1-10