Calculatrice de Répétition Maximale Unique

Calculez votre répétition maximale unique et les poids d'entraînement optimaux pour toute plage de répétitions basé sur des formules d'entraînement en force.

tool.howItWorks

What is 1RM?

Your One Rep Max (1RM) is the maximum weight you can lift for a single repetition. It's the gold standard for measuring strength and planning training programs.

Training Percentages

Use your 1RM to calculate optimal training weights: 85-100% for maximal strength (1-5 reps), 67-85% for muscle growth (6-12 reps), and 50-67% for endurance (12+ reps).

Formula Accuracy

Different formulas work better for different rep ranges. Epley is most popular for 1-10 reps, while Brzycki tends to be more conservative and accurate for higher reps.

Disclaimer: This calculator provides estimates based on established formulas. Always use proper form and have a spotter when testing heavy weights. Consult a fitness professional before starting new training programs.