One Rep Max Calculator
Calculate your one-rep max (1RM) for any lift. Your one-rep max is the max weight you can lift for a single repetition for a given exercise.
Repetition Percentages of 1RM
| Repetitions | Percentage of 1RM |
|---|---|
| 1 | 100% |
| 2 | 97% |
| 3 | 94% |
| 4 | 92% |
| 5 | 89% |
| 6 | 86% |
| 7 | 83% |
| 8 | 81% |
| 9 | 78% |
| 10 | 75% |
| 11 | 73% |
| 12 | 71% |
| 13 | 70% |
| 14 | 68% |
| 15 | 67% |
| 16 | 65% |
| 17 | 64% |
| 18 | 63% |
| 19 | 61% |
| 20 | 60% |
| 21 | 59% |
| 22 | 58% |
| 23 | 57% |
| 24 | 56% |
| 25 | 55% |
| 26 | 54% |
| 27 | 53% |
| 28 | 52% |
| 29 | 51% |
| 30 | 50% |
Rate Your Lifts Against Other People
The Strength Level Calculator can show your exact level of strength at any bodyweight.