One-Rep Max Calculator
Epley 1RM estimate and % load chart.
Units
Estimated one-rep max
215.8 lb
| % of 1RM | Weight (lb) |
|---|---|
| 50% | 107.9 |
| 60% | 129.5 |
| 65% | 140.3 |
| 70% | 151.1 |
| 75% | 161.9 |
| 80% | 172.7 |
| 85% | 183.5 |
| 90% | 194.3 |
| 95% | 205 |
| 100% | 215.8 |
What is this tool?
A one-rep max (1RM) is the heaviest load you could lift once. The Epley formula estimates 1RM from a submaximal set: weight × (1 + reps/30). This page also lists common percentage loads of that estimate for programming.
How to use it
- Enter weight lifted and reps performed.
- Read estimated 1RM.
- Use the percentage table for training loads.
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