One Rep Max Calculator
Calculate your one-repetition maximum (1RM) and training percentages based on your performance with submaximal weights.
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Fill out the form and click "Calculate One Rep Max" to see your results here.
Frequently Asked Questions
Are online calculators accurate?
Online calculators provide good estimates based on established formulas and research. However, they should be used as guidelines rather than definitive measurements. For the most accurate results, consult with healthcare professionals who can perform direct measurements and consider your individual circumstances.
How often should I use these calculators?
For tracking purposes, using calculators every 4-6 weeks is generally recommended. This timeframe allows for meaningful changes to occur while preventing obsessive tracking. However, the frequency may vary depending on your specific goals and the type of calculator.
Can I rely on these calculators for medical advice?
No, these calculators are educational tools and should not replace professional medical advice. Always consult with healthcare providers for personalized recommendations, especially for medical decisions or if you have underlying health conditions.