Fitness & Workout
One Rep Max Calculator
Calculate your one-rep max (1RM) for bench press, squat, deadlift, and other lifts using proven formulas.
Calculate Your 1RM
Enter the weight lifted and reps completed to estimate your one-rep max using the Epley formula.
Percentage Chart
Use these percentages of your 1RM for training:
| %1RM | Reps | Training Goal |
|---|---|---|
| 100% | 1 | Max Strength |
| 90% | 2-3 | Strength |
| 80% | 4-6 | Strength/Power |
| 70% | 8-10 | Hypertrophy |
| 60% | 12-15 | Endurance |
| 50% | 15+ | Warm-up/Recovery |