1-Rep Max Mayhew Formula

Estimate one-rep maximum using the Mayhew formula: 1RM = (100 × weight) / (52.2 + 41.9 × e^(−0.055 × reps)). Originally developed and validated for the bench press.

Core Tools
Distance covered in 12 minutes (meters)
🏅 Sports Note: These calculators provide estimates based on population data and validated formulas. Individual results vary by physiology, training level, and testing conditions. Consult a qualified coach or sports scientist for personalized guidance.
Advertisement

How It Works

Estimate one-rep maximum using the Mayhew formula: 1RM = (100 × weight) / (52.2 + 41.9 × e^(−0.055 × reps)). Originally developed and validated for the bench press

Each component has a specific meaning:

  • Mayhew formula: 1RM = / (52 — The mayhew formula: 1rm = / (52 recorded for the scenario being assessed.

Note: Interpret the 1rm mayhew result against the thresholds and context described above.

How to Use

Enter the Mayhew formula: 1RM = / (52 for the scenario you are assessing. Estimate one-rep maximum using the Mayhew formula: 1RM = (100 × weight) / (52.2 + 41.9 × e^(−0.055 × reps)). Originally developed and validated for the bench press. Use the 1rm mayhew result to inform your calculation.

Related Calculators

1RM Epley

Sports & Fitness

1RM Brzycki

Sports & Fitness

Wilks Score

Sports & Fitness

Frequently Asked Questions