Our Mission
BodyStd is dedicated to providing free, accessible, and evidence-based body health calculators and educational resources. We believe that understanding your body's metrics — BMI, body fat, metabolic rate, and more — is the first step toward better health outcomes. Our tools are designed to be simple enough for everyday use while maintaining the accuracy required for meaningful health insights.
What We Offer
BodyStd provides a comprehensive suite of tools and resources:
Free Calculators
BMI, body fat, BMR, TDEE, waist-to-hip ratio, FFMI, and more — all based on CDC and WHO formulas.
Health Guides
In-depth articles and guides explaining body composition science, health standards, and practical strategies.
Health Information
Our content summarizes publicly available CDC, WHO, and NHANES guidance for general education.
100% Private
No signup required. No personal data collected. Calculate anonymously and learn privately.
Our Standards
Every calculator and guide on BodyStd is built on the foundation of established health standards:
- CDC (Centers for Disease Control and Prevention):BMI classification, obesity guidelines, body fat standards, and population health data
- WHO (World Health Organization): Global health metric guidelines, ethnic-specific thresholds, and metabolic formulas
- NHANES (National Health and Nutrition Examination Survey): The most comprehensive survey of American health, providing the data behind our reference ranges
- ACSM (American College of Sports Medicine):Body fat categorization and exercise physiology guidelines
Who We Serve
BodyStd is designed for a broad audience:
- Everyday health enthusiasts looking to understand and track their body metrics
- Fitness professionals needing quick reference tools for client consultations
- Students and educators seeking reliable health education materials
- Healthcare providers looking for patient-friendly resources and calculators
- Researchers and journalists requiring access to current health standards and guidelines
Our Approach
We believe that health information should be:
- Accessible: Free for everyone, no barriers to entry
- Accurate: Based on the latest peer-reviewed research and authoritative standards
- Actionable: Not just numbers — practical insights and next steps
- Comprehensive: Multiple metrics for a complete body composition picture
- Transparent: Clear explanations of formulas, sources, and limitations
Important Disclaimer
BodyStd provides educational content and calculators for informational purposes only. Our tools and guides do not constitute medical advice, diagnosis, or treatment. Always seek the guidance of your physician or qualified health provider with any questions regarding a medical condition or health concerns. Never disregard professional medical advice or delay in seeking it because of content found on this website.