1RM Calculator

Let's calculate your 1RM!

Your estimated 1RM is

---kg---(lbs)

1 Repetition Maximum (1RM) is the maximum weight you can lift once with proper form for a given exercise. Use this calculator to estimate your 1RM using the weight and reps from your hotel gym session — even if you don't have access to barbells or heavy machines.

Other Calculators

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