1RM CALCULATOR
Estimate your one-rep max from any rep range
Please enter reps between 1 and 12.
Valid for 1–12 reps. Results become less accurate above 10 reps.
ESTIMATED 1RM
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KG
Average across all formulas (recommended)
| FORMULA | ESTIMATED 1RM |
|---|
TRAINING ZONES
| % 1RM | EST. WEIGHT | TYPICAL REPS |
|---|