Training
One-rep max calculator
Estimate a one-rep maximum from weight and reps, with a percentage load table.
The formulas hold to about ten reps.
- Estimated max
- 114.6 kgaverage of both formulas
- Epley
- 116.7 kg
- Brzycki
- 112.5 kg
| % of max | Weight |
|---|---|
| 95% | 108.9 kg |
| 90% | 103.1 kg |
| 85% | 97.4 kg |
| 80% | 91.7 kg |
| 75% | 86 kg |
| 70% | 80.2 kg |
| 65% | 74.5 kg |
| 60% | 68.8 kg |
Both formulas are extrapolations. Past about ten reps they diverge enough that neither is worth quoting, which is why higher rep counts are refused.
Others in training
For research use only. These tools perform arithmetic on figures you supply — they are not medical guidance and do not recommend a dose for any compound.