Pure Tone Average (PTA)
Pure Tone Average (PTA) - a deterministic tool in Sophie Well's Clinical Math & Conversions group.
Open the Pure Tone Average (PTA) → Runs in your browser. No signup, no tracking.
What this is
Pure Tone Average (PTA) is one of 230 deterministic tools in Sophie Well's Clinical Math & Conversions group. Pure Tone Average (PTA) - a deterministic tool in Sophie Well's Clinical Math & Conversions group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Four-frequency pure-tone average: the mean of the air-conduction thresholds at 500, 1000, 2000, and 4000 Hz; standard audiometric average (e.g. AAO-HNS / ASHA hearing-loss grading). Read the source ↗
Worked example: 3-frequency PTA 45, 4-frequency PTA 50 dB HL — moderate hearing.
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