Waist Circumference Calculator
Classify abdominal obesity risk using clinical guidelines (NCEP / ATP III)
Input Parameters
Real-time calculation updates dynamically as you adjust inputs. Values remain strictly local on your device.
Waist Risk ClassificationLow Risk
86 cm
Clinical cutoff: 102 cm (40 inches)
Inches
33.9in
Clinical Responsibility Note: This calculation provides statistical estimations for informational and educational purposes only. It is not an individualized medical diagnosis or clinical prescription.
Mathematical Formula & Scientific Methodology
Formula: NIH / WHO Waist Threshold Guidelines
Risk Cutoffs: Men ≥ 102 cm (40 in), Women ≥ 88 cm (35 in)Independent risk factor for metabolic syndrome, hypertension, and cardiovascular disease.
Model Assumptions
- Adult population
Variables & Standard Units
| Symbol | Physiological Meaning | Unit |
|---|---|---|
| Waist | Circumference at iliac crest | cm |
Scientific Limitations
- Ethnic-specific thresholds exist (e.g. Asian populations use 90cm men / 80cm women)
Peer-Reviewed Scientific Citations
Obesity: preventing and managing the global epidemic. Report of a WHO consultation (2000)
World Health Organization (2000) — WHO Technical Report Series, 894, 1-253
Key Finding: Standard international adult BMI classifications: Underweight (<18.5), Normal (18.5-24.9), Overweight (25.0-29.9), Obesity Class I (30.0-34.9), Class II (35.0-39.9), Class III (>=40.0).
Frequently Asked Questions
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