One Rep Max Calculator
Never compromise form chasing a max. Estimates help program loading; true 1RM testing has injury risk.
One Rep Max Calculator
Estimated 1RM (Epley)
93.3
These tools provide general fitness estimates only and are not a substitute for professional medical advice.
How to Use This Tool
- Enter weight lifted.
- Enter reps performed (not to absolute failure if you are new to lifting).
- Read estimated 1RM.
Features
- Epley formula
- Works for common barbell lifts
- Copy numeric result