Bench estimate
Sample
Lifted 80 kg for 5 reps
What you get
Projected 1RM from Epley-style formula.
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
Example
Frequently Asked Questions
Which 1RM formula?
We use Epley: weight × (1 + reps/30). Never sacrifice form chasing a max; estimates help programming, not ego lifts.
Is this medical advice?
No. This calculator is for general education and planning only. Always consult a qualified clinician for personal health decisions.
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