One-Rep Max (1RM) Calculator
Estimate your 1RM with the Brzycki formula and get a quick warm-up plan.
Estimated 1RM (Brzycki)
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Formula
1RM = Weight × 36 ÷ (37 − Reps)
Tip
Most accurate for sets of 10 reps or fewer.
Warm-Up Sets
Suggested loads based on your estimated 1RM.
| Set | Intensity | Suggested Weight | Reps | Rest |
|---|