Noise Exposure Safe Time Calculator
How long you can listen safely at a given loudness (NIOSH 85 dBA, 3 dB rule).
Your result
Under the NIOSH rule, exposure at 85 dBA is safe for 8 hours and the time halves every 3 dB. Use 60% volume settings and breaks on loud days.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Noise Exposure Safe Time Calculator do?
How long you can listen safely at a given loudness (NIOSH 85 dBA, 3 dB rule). Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: how long can i listen to headphones; safe noise exposure time; decibel safe hours.