1-Rep Max Calculator
Calculate your estimated one-repetition maximum (1RM) using various established formulas.
Inputs
1RM calculations are most accurate when using 1-10 repetitions. Above 10 reps, the estimation becomes less reliable.
Estimated 1RM
130 kg
Epley133 kg
Brzycki133 kg
Lander134 kg
| Intensity | Weight Lifted |
|---|---|
| 100% | 130 kg |
| 95% | 124 kg |
| 90% | 117 kg |
| 85% | 111 kg |
| 80% | 104 kg |
| 75% | 98 kg |
| 70% | 91 kg |
| 65% | 85 kg |
| 60% | 78 kg |
| 50% | 65 kg |