AHI Calculator
Use the AHI Calculator for a transparent, instant calculation with validated inputs and cited sources. For a query such as “ahi”, enter the matching values and units below and review the stated assumptions.
How to use this calculator
Enter the requested values and units.
Review the assumptions and any warnings shown with the result.
Use the result together with the cited source and your real-world requirements.
Formula
Apnea–hypopnea index = counted apnea and hypopnea events ÷ sleep hours.
Worked example
Worked example: Inputs: Apneas: 15; Hypopneas: 10; Measured sleep time: 6 hours. Outputs: Apnea–hypopnea index: 4.166667 events/hour.
Assumptions and limits
- The result depends on the values, units, and assumptions entered. It does not infer missing context.
- Review the assumptions and any warnings shown with the result.
Sources
- American Academy of Sleep Medicine: Quality Measures for the Care of Adult Patients with Obstructive Sleep ApneaReference material reviewed for the stated method, units, or domain. Confirm that its scope matches your use case. Reviewed 2026-08-14.
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Frequently asked questions
How does the AHI Calculator work?
Apnea–hypopnea index = counted apnea and hypopnea events ÷ sleep hours.
What should I enter?
Apneas, Hypopneas, Measured sleep time
What should I verify?
Review the assumptions and any warnings shown with the result. The result depends on the values, units, and assumptions entered. It does not infer missing context.
Last updated 2026-08-14 · health-ahi-v1 · opportunity-content-2026-08-14 · Trusty Calculator Editorial Team