Lunia · Free tools
Estimate your one-rep max
Enter any set you have actually done. The estimate gets less reliable the further you go above about five reps.
Your details
Runs entirely in your browser. Nothing you type is sent anywhere or saved.
Your result
Estimated 1RM Uses the Epley formula, the same one Lunia uses to track your records.
What that means for your working sets
| % of 1RM | Weight | Typical reps |
|---|
Ready to calculate
Enter your details, then calculate to see your result here.