Calculate your maximum strength potential and get personalized training loads for optimal strength and muscle building.
Enter your lift details to estimate your one rep maximum
Best practices for accurate results:
Calculate your Body Mass Index
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Try it nowOne Rep Max (1RM) is the maximum weight you can lift for a single repetition with proper form.
Use 80-85% of your 1RM for strength training and 65-75% for hypertrophy (muscle building).
1RM is your maximum single-rep strength. Use lower rep ranges (1-10) for more accurate estimates.