Sleep Apnea Calculator

Use the STOP-BANG questionnaire to assess your risk of obstructive sleep apnea (OSA).

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Important Health Disclaimer

This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.

For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.

Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.

Not a substitute for professional medical advice

STOP-BANG Questionnaire

STOP Questions

BANG Criteria

kg/m²

BMI > 35 adds 1 point

years

Age > 50 adds 1 point

cm

Neck > 40cm adds 1 point

Rate your daytime sleepiness

STOP-BANG Score

1/8

Low Risk

OSA Probability
~15%
Sleepiness Level
Average

Risk Interpretation

Low probability of moderate to severe OSA.

BANG Criteria Met

BMI > 35No
Age > 50No
Neck > 40cmNo
Male GenderYes

Note: A high STOP-BANG score suggests you should consult a sleep specialist for a proper evaluation and possible sleep study.

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sources

  • World Health Organization (WHO) — Global health metrics, disease classification, and nutritional standards. who.int
  • Centers for Disease Control and Prevention (CDC) — Health statistics, BMI guidelines, and disease prevention data. cdc.gov
  • National Institutes of Health (NIH) — Medical research, clinical guidelines, and health calculators. nih.gov
  • Mayo Clinic — Clinical health information, disease reference, and wellness guidance. mayoclinic.org

For a complete list of all references used across the site, visit our full sources page.

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: WHO Health Metrics Standards

by World Health Organization

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.