105 kg for 12 reps
Estimated one-rep max: about 142 kg (314 lb). The five formulas span 135–151 kg, so treat it as a range rather than a number.
Estimated one-rep max
142 kg
Mean of five published formulas. Range 135–151 kg — above ten reps every formula is extrapolating, so this is a rough guide only.
| Formula | 1RM | Source |
|---|---|---|
| Epley | 147.0 | Epley, 1985 |
| Brzycki | 151.2 | Brzycki, 1993 |
| Lombardi | 134.6 | Lombardi, 1989 |
| O'Conner | 136.5 | O'Conner et al., 1989 |
| Mayhew | 142.2 | Mayhew et al., 1992 |
SOURCE·Published formulae — Epley, Brzycki, Lombardi; IPF GL and DOTS coefficients·REVIEWED JUL 2026
So is 142 kg a good bench press?
If that lift is a bench press, 142 kg (314 lb) puts a man at 82.5–87.5 kg bodyweight at the 72nd percentile of 29,914 judged competition benches — advanced. For a squat or a deadlift the same weight ranks lower, because those lifts are heavier for everyone.
Bench standards
Full curve for this class
Open →Squat standards
Same class, different lift
Open →Deadlift standards
Same class, different lift
Open →SOURCE·Judged competition results (OpenPowerlifting)·29,914 judged bench presses, men 82.5–87.5 kg·REVIEWED JUL 2026
Percentages of that max
| % of 1RM | Weight |
|---|---|
| 95% | 135.2 |
| 90% | 128.1 |
| 85% | 121.0 |
| 80% | 113.8 |
| 75% | 106.7 |
| 70% | 99.6 |
| 65% | 92.5 |
| 60% | 85.4 |
| 55% | 78.3 |
| 50% | 71.1 |
A sensible warm-up to it
| Step | Weight | Reps |
|---|---|---|
| 40% | 56.9 | 5 |
| 55% | 78.3 | 5 |
| 70% | 99.6 | 3 |
| 80% | 113.8 | 2 |
| 90% | 128.1 | 1 |
| Working | 142.3 | 1 |
A conventional ramp, not the ramp. Add or remove steps to taste — the point is to arrive warm and not tired.
Same weight, other rep counts
The whole rep range for 105 kg, so the estimate for any set you actually did is one click away.
105 kg × 2
1RM 112 kg
105 kg × 3
1RM 115 kg
105 kg × 4
1RM 118 kg
105 kg × 5
1RM 121 kg
105 kg × 6
1RM 124 kg
105 kg × 7
1RM 127 kg
105 kg × 8
1RM 130 kg
105 kg × 9
1RM 133 kg
105 kg × 10
1RM 136 kg
105 kg × 11
1RM 139 kg
SOURCE·Published formulae — Epley, Brzycki, Lombardi; IPF GL and DOTS coefficients·REVIEWED JUL 2026
105 kg × 12 — common questions
What is my one-rep max if I lift 105 kg for 12 reps?
About 142 kg (314 lb), taken as the mean of the Epley, Brzycki, Lombardi, O'Conner and Mayhew formulas. Individually they give 135 to 151 kg, so the range is the honest answer — and above ten reps all five are extrapolating past the data they were fitted on.
Is 142 kg a good bench press?
If the lift is a bench press, 142 kg (314 lb) puts a man at 82.5–87.5 kg bodyweight at the 72nd percentile of 29,914 judged competition benches — advanced. That population all competed, so it is stronger than a gym average.
What should I warm up with?
The ramp below runs 57 kg × 5, 78 kg × 5, 100 kg × 3, 114 kg × 2, 128 kg × 1, then the working single at 142 kg. It is a conventional ladder rather than a rule; the test is that the last warm-up still moves fast.