One-Rep Max Calculator | Accurate Strength Training Tool

Calculate Your 1RM

Please enter a valid weight (10-1000)
Please enter valid reps (1-12)

Your One-Rep Max Estimates

Brzycki Formula: -
Epley Formula: -
Lombardi Formula: -
Mayhew Formula: -
O'Conner Formula: -
Wathan Formula: -
Recommended 1RM: -
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