One-Rep Max (1RM) Calculator

1-Rep Max Predictor

Test your strength safely

Push your boundaries safely with our One-Rep Max (1RM) Predictor. Attempting a true maximum lift can be risky; this tool uses the Brzycki Formula to estimate your top strength based on your performance in higher-rep sets. It is a vital utility for powerlifters and strength athletes looking to program their training percentages effectively.
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