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.
One Rep Max Calculator
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.
Fitness Standards
We have fitness calculators and cardio standards for running, rowing and cycling. How fit are you?
Strength Level's Paper Workout Log
A paperback book for tracking your workouts in the gym.
With extra pages for tracking goals and personal bests.