40 kg for 4 reps
Estimated one-rep max: about 45 kg. The five formulas span 44–47 kg, so treat it as a range.
Estimated one-rep max
45 kg
Mean of five published formulas. Range 44–47 kg.
| Formula | 1RM | Source |
|---|---|---|
| Epley | 45.3 | Epley, 1985 |
| Brzycki | 43.6 | Brzycki, 1993 |
| Lombardi | 45.9 | Lombardi, 1989 |
| O'Conner | 44.0 | O'Conner et al., 1989 |
| Mayhew | 46.6 | Mayhew et al., 1992 |
So is 45 kg a good bench press?
If that lift is a bench press, 45 kg puts a man at 82.5–87.5 kg bodyweight at the 1st percentile of 29,914 judged competition benches — novice.
Percentages of that max
| % of 1RM | Weight |
|---|---|
| 95% | 42.8 |
| 90% | 40.6 |
| 85% | 38.3 |
| 80% | 36.1 |
| 75% | 33.8 |
| 70% | 31.6 |
| 65% | 29.3 |
| 60% | 27.1 |
| 55% | 24.8 |
| 50% | 22.6 |
A sensible warm-up to it
| Step | Weight | Reps |
|---|---|---|
| 40% | 18.0 | 5 |
| 55% | 24.8 | 5 |
| 70% | 31.6 | 3 |
| 80% | 36.1 | 2 |
| 90% | 40.6 | 1 |
| Working | 45.1 | 1 |
A conventional ramp, not the ramp. Add or remove steps to taste — the point is to arrive warm and not tired.