Safe Listening Levels: How Loud Is Too Loud?
The risk of hearing damage rises above about 85 dB(A). At 85 dB, the widely used benchmark allows about 8 hours a day, and every 3 dB increase halves that time: 88 dB gives 4 hours, 94 dB gives 1 hour, and 100 dB about 15 minutes. For headphones, a practical rule is to stay at or below about 60% of your phone’s maximum volume and take a break every hour.
Most phones go above 100 dB at full volume, which uses up a whole day’s safe exposure in minutes, so turn on a volume limit in your device settings. Loud sound is the most common preventable cause of hearing damage, and of the ringing that follows it, whether at a concert, on a building site or with headphones on the train.
What is a safe listening level?
Hearing damage depends on two things together: how loud the sound is and how long it lasts. The standard way to express this is a reference pair, 85 dB(A) for 8 hours, plus an exchange rate that says how the allowed dose changes with the level.
The figures in this guide use a 3 dB exchange rate, the one used by NIOSH and the WHO. Sound energy doubles with every 3 dB increase, so the safe time halves with every 3 dB you add. That is why a 100 dB concert uses up a day’s exposure in a quarter of an hour. For weekly exposure, the WHO reference is 80 dB for 40 hours.
The maths, in plain English
Safe time at a given level = 8 hours ÷ 2 to the power of ((level − 85) ÷ 3). Your dose is simply the time you spend at that level divided by that safe time. For example, 2 hours at 85 dB is 25% of your daily safe dose.
- 85 dB: about 8 hours
- 88 dB: about 4 hours
- 91 dB: about 2 hours
- 94 dB: about 1 hour
- 100 dB: about 15 minutes
- 106 dB: under 4 minutes
Doses also add up over the day. Two hours of a noisy commute plus a loud evening count as one exposure, not two separate ones. Sensitivity to noise also differs from person to person: individual results vary considerably.
What do those levels sound like?
| Source | Typical level | Safe time |
|---|---|---|
| Quiet office, library | ~45 dB | Unlimited |
| Normal conversation | ~60 dB | Unlimited |
| Busy restaurant, busy street | ~85 dB | ~8 hours |
| Motorbike, lawnmower | ~90 dB | ~2.5 hours |
| Nightclub, concert | ~100 dB | ~15 minutes |
| Chainsaw, power tools | ~110 dB | ~1.5 minutes |
Levels vary enormously with the venue and your distance from the source, so treat these as estimates. A sound meter app on your phone is imprecise, but still far better than guessing.
Headphones: the exposure people forget
Phones can push headphones beyond 100 dB at full volume. At that level, a single commute can spend a whole day’s dose, and it happens quietly, without the obvious discomfort of a concert. See tinnitus after headphones if you already notice ringing after listening.
Two habits cover most of it. First, turn on the volume limit in your device’s sound or accessibility settings and leave it on. Second, use noise-isolating or noise-cancelling headphones, so you don’t turn up the volume just to drown out the train. Individual results vary considerably.
The link with ringing in the ears
Loud sound damages the hair cells in the inner ear, and that damage does not repair itself. When input from a band of frequencies drops, the auditory brain seems to compensate by raising its own internal gain, and that amplified activity can be perceived as ringing.
Temporary ringing and muffled hearing after a loud night out are a warning, not a curiosity. They usually fade within a day or two, but repeated exposure increases the risk that a version of it stays. If the ringing lasts more than a few days, or your hearing seems reduced, see a professional. Our guide to tinnitus after a concert covers what to do in the first days. Individual results vary considerably.
What to do tonight if you already have ringing
Sound helps most in quiet moments, when nothing competes with the tinnitus. A neutral, steady sound at a low level gives your ear something else to hold on to; set it just below the ringing, never above it.
- Protect first. Set a volume limit on your phone and put earplugs in your bag today.
- Add a low background sound. Play a soft, steady noise in the evening and as you fall asleep.
- Give it two weeks. Habituation is slow and rarely feels like progress.
Our sound therapy guide explains how it works, and sleeping with tinnitus covers the evening routine. Individual results vary considerably.
FAQ
Is 85 dB really safe?
It is a benchmark, not a guarantee. It represents a level at which 8 hours of daily exposure carries a low, but not zero, risk of noise-induced hearing damage over a working life. Below about 70 dB, the risk is considered negligible for any practical duration.
What headphone volume percentage is safe?
Around 60% of the maximum is a common rule, with a break every hour. The honest answer: a percentage is not a unit of loudness, because output differs between phones and headphones, so a volume limit in your settings is a more reliable control than a number on a slider.
Why do 3 dB matter so much?
Because decibels are logarithmic. Adding 3 dB doubles the acoustic energy reaching your ear, which halves the safe time. A small step on screen is a big step in exposure: going from 94 to 100 dB cuts the safe time from one hour to about fifteen minutes.
Can loud noise cause permanent tinnitus?
Yes, it can. Noise exposure is one of the most common identified factors behind persistent tinnitus, and the damage that causes it does not reverse. That is why prevention matters far more than anything you can do afterwards, and why earplugs at a concert are not overkill.
My ears are ringing after a concert. Will it go away?
It usually fades within a day or two, and that fading does not mean nothing happened. Repeated episodes increase the risk that the ringing eventually persists. If yours lasts more than a few days, affects only one ear, or comes with hearing loss or dizziness, see a doctor promptly.
Do noise-cancelling headphones protect my hearing?
Indirectly, yes. They do not protect you from outside noise the way earplugs do, but by removing background rumble they remove the reason to turn up the volume. A lower listening level at the same clarity is a real reduction in dose.
These figures are an educational estimate built on a published benchmark, not a medical or professional assessment: your real exposure depends on actually measured levels. For workplace exposure, follow your employer’s noise dosimetry and hearing conservation programme.
Already have ringing? Start with sound tonight
In Tinnitus Relief App, white noise starts instantly, with no setup and no account. Add a tone tuned to your own tinnitus frequency and your brain starts learning that the sound is not a threat. White noise at your frequency is free, playback continues with the screen locked, and it works offline; the sleep timer with fade-out is part of Premium. Download the app, free on iOS and Android.
Disclaimer: Tinnitus Relief App is not a medical device and does not diagnose, treat, cure or prevent any medical condition. If your tinnitus is new, sudden, in one ear only, or comes with hearing loss, dizziness or pain, see a health professional.
Sources
- National Institute for Occupational Safety and Health. Criteria for a Recommended Standard: Occupational Noise Exposure. NIOSH Publication 98-126, 1998.
- World Health Organization & ITU. Global Standard for Safe Listening Devices and Systems. Geneva: WHO, 2019.
- World Health Organization. World Report on Hearing. Geneva: WHO, 2021.
- Baguley D, McFerran D, Hall D. Tinnitus. The Lancet, 2013;382(9904):1600–1607.
- Eggermont JJ, Roberts LE. The neuroscience of tinnitus. Trends in Neurosciences, 2004;27(11):676–682.