One Rep Max Calculator
Fitness & ExerciseCalculate your one-rep max (1RM) for any lift based on submaximal weights
One Rep Max
Estimate max strength safely.
Calculate your one-rep max (1RM) for any lift based on submaximal weights
免費使用200+健康計算器，保存結果並追蹤進度。
Estimate your maximum strength using multiple proven formulas
| Formula | Estimated 1RM | Accuracy |
|---|---|---|
| Epley | -- | Most Popular |
| Brzycki | -- | Best for 1-10 reps |
| Lander | -- | General purpose |
| Lombardi | -- | Higher rep ranges |
| Mayhew | -- | Football players |
Maximum strength & neural adaptation
Muscle growth & size
Muscular endurance & conditioning
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Estimate max strength safely.