One Rep Max Calculator
Calculate your estimated one rep max using proven strength training formulas.
Calculate Your One Rep Max Using Proven Strength Formulas
Our One Rep Max Calculator uses multiple proven formulas to estimate your maximum lifting capacity.
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Multiple Formulas
Choose from Epley, Brzycki, Lombardi, Mayhew, and O'Conner formulas.
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Training Loads
Get recommended weights for different rep ranges and training goals.
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Formula Comparison
Compare results from different formulas to find the most accurate estimate.
Estimate Max Lifting Capacity for Smarter Training Cycles
Use your estimated 1RM to plan effective training cycles and track progress.
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Training Planning
Plan your training cycles based on percentage-based loading.
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Progress Tracking
Monitor strength gains and adjust training accordingly.
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Goal Setting
Set realistic strength goals and track your progress.
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