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One-Rep Max (1RM) Calculator
Estimate your one-repetition maximum (1RM) for lifts like squat, bench, and deadlift using popular formulas.

Enter the weight (e.g., kg or lbs).

Number of successful repetitions (1-12 for best accuracy).

Different formulas provide slightly different estimates. Epley is common for lower reps, Brzycki for a broader range up to 10-12 reps.

Now turn that number into a plan

Get a free, personalised 12-week Hyrox training plan built around your race date and ability level.

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