// multi-utility computation suite · offline · instant · precise
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health.hearing-threshold-audiogram Calculator
Converts audiogram hearing threshold levels to average pure-tone thresholds (PTA) and classifies hearing loss severity per WHO criteria. Normal hearing is 0–25 dB HL; mild loss 26–40 dB; moderate 41–60 dB; severe 61–80 dB; profound >80 dB.
Inputs
Hl 500Hz
Reference formula or conversion factor shown for context.
Hl 1000Hz
Reference formula or conversion factor shown for context.
Hl 2000Hz
Reference formula or conversion factor shown for context.
Hl 4000Hz
Reference formula or conversion factor shown for context.
Results
pure-tone average (PTA)
The arithmetic mean -- sum divided by count.
high-frequency average
The arithmetic mean -- sum divided by count.
WHO classification
Category assigned based on where the computed value falls on a defined scale. Check which standard or guideline defines these boundaries.
speech banana region
Sample size or count used in the calculation.
noise notch
Random or irrelevant variation in the measurement.
WHO PTA
Reference formula or conversion factor shown for context.