Have you ever been sitting next to your child and noticed the sound leaking out of their headphones? Or caught them turning the volume all the way up on their tablet and wondering, “Is that too loud?” You are not alone.
Headphone labels and smartphone alerts about safe listening levels can be confusing. You might see notifications stating that exposure to 85 dB for more than 8 hours can lead to permanent hearing loss, and wonder what exactly that means.
As an audiologist, professor, and mom, parents often ask me about safe listening levels for children. Many see sound level limits on headphone packaging, and assume it’s automatically safe—but there’s more to the story.
This March 3, on World Hearing Day 2026, the theme is From Communities to Classrooms: Hearing Care for All Children. It’s a perfect reminder that understanding safe listening habits early can protect your child’s ears for life.
Understanding Decibels
So what does “85 dB” really mean, and how can parents make sense of safe listening for their kids?
To make sense of these numbers, it helps to understand what a decibel really is. A decibel is simply a way of measuring sound: the bigger the number, the louder the sound. But unlike a measuring tape, the decibel scale is logarithmic, which means small increases can actually feel much louder than they appear.
Imagine listening to your favourite playlist and pressing the volume increase button. While the numbers on the screen climb slowly, your ears notice a big jump in sound almost instantly.
To put it into perspective, here are some everyday sounds and their decibel levels:
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Normal conversation: 50–60 dB
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Busy street traffic: 70–75 dB
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Hair dryer or vacuum: 85 dB
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Fireworks or rock concert: 110–120 dB
Children often instinctively cover their ears around a vacuum or would need hearing protection at a concert. That’s a helpful reminder that we wouldn’t want them exposed to these sound levels through personal headphones for extended periods of time.
Where Did the 85 dB Rule Come From?
Now that we know how decibels work, let’s take a closer look at “85 dB”: where this guideline comes from and why it’s not quite the same when it comes to children’s listening habits.
The 85 dB guideline was developed from workplace safety research through organizations like the National Institute for Occupational Safety and Health (NIOSH).
It was designed to protect:
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Healthy adults
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Working 8-hour shifts
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In industrial environments
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Over a 40-year career
It was never designed for children.
In a factory setting: noise levels are monitored, workers receive annual hearing tests, and protective equipment like earplugs or earmuffs is required.
Compare that to a child using headphones in the back seat of a car. There’s no monitoring, no ear protection, and no schedule to limit listening time.
While 85 dB is considered the maximum permissible limit for an adult over an 8-hour work day, it was never intended to represent an optimal listening level for children.
In my clinic, when parents ask about headphone habits, I recommend erring on the side of caution by keeping volumes lower and listening sessions shorter. What’s considered “permissible” for a factory worker is not the same as “best” for a developing auditory system.
Why 90 dB Isn’t “Just a Little Louder” Than 85 dB
This is one of the biggest misconceptions I see in my college classroom.
Decibels are not linear—they increase logarithmically. That means a small increase in the number can actually represent a much bigger rise in sound pressure.
Every increase of 10 dB represents a 10-fold increase in sound intensity. In simple terms: there’s more pressure in the air being transferred directly to your child’s eardrum.
Here’s what that looks like:
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85 dB = baseline occupational loudness limit for adults
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88 dB = twice the sound energy of 85 dB
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91 dB = four times the sound energy of 85 dB
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95 dB = ten times the sound energy of 85 dB
For example, a child turning their headphones from 85 to 88 dB might look like a small step on the tablet display, but it actually doubles the sound energy reaching their ears. An increase from 88 to 91 dB doubles it again. That’s why what seems like “just a little louder” can add up to much more sound exposure than most parents realize.
Why Headphone Type Matters
Research published in the Journal of the Acoustical Society of America examined different styles of earbuds and headphones. The researchers found that when there’s background noise, people naturally prefer their music at a higher volume. However, noise-canceling earbuds reduced the surrounding noise, and participants were comfortable with lower volume settings overall (Liang et al., 2021).
Think about it this way: if you’re listening to music on a crowded subway, you may feel the need to crank up the volume to block out the trains and chatter. But with noise-canceling headphones, you can keep the volume lower while still hearing the music clearly.
And that matters more than it seems. Even a small drop in volume—about 3 dB—can cut the sound energy reaching the inner ear in half. Noise-canceling headphones are not a replacement for hearing protection, but if they help a child listen comfortably at a lower volume, they can meaningfully reduce their overall exposure to harmful sound levels.
Loudness Is Only One Part of the Risk
Now that we understand how small jumps in decibels can deliver significantly more sound energy to a child’s ears, it’s important to remember that loudness is only one part of the risk when it comes to long-term noise exposure.
Noise becomes hazardous based on three factors:
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How loud the sound is
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How long the exposure lasts
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How often it is repeated
It’s a bit like brushing your teeth: skipping once in a while isn’t disastrous, but skipping every day can cause long-term damage. Similarly, repeated or extended noise exposure to loud sounds can add up over a lifetime and affect a person’s hearing health.
To help put this into perspective, organizations like NIOSH have developed standards that guide how long adults can safely be exposed to different sound levels on the job. In general, every 3 dB increase cuts the recommended exposure time in half:
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85 dB = up to 8 hours
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88 dB = 4 hours
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91 dB = 2 hours
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94 dB = 1 hour
In other words, five loud minutes once in a while is not the same as hours of daily listening. The frequency and duration of listening are important factors in reducing the risk of noise-induced hearing loss.
Research supports this. Studies show adolescents who listen to headphones for more than three hours daily tend to have poorer average hearing levels (Widén et al., 2017).
Typical headphones can exceed 105 dB. At that level, even a few minutes of listening can significantly increase a child’s risk of hearing loss. According to NIOSH, an adult worker exposed to 105 dB would exceed their daily noise exposure limit in just 4 minutes.
A Swedish study found some teens listened to levels between 90 and 100 dB for long periods of time, even during sleep (Widén et al., 2017). At the upper end of the range (100 dB), these teens exceeded the recommended monthly noise dose for an adult factory worker—in a single night!
Kids don’t inherently know that they need to build in listening breaks. They aren’t monitoring their cumulative exposure. They just press play on their favourite song, and turn up the volume to tune out whatever is happening around them.
Kids Aren’t Small Adults
Here’s the part that matters most.
Children have developing ears and auditory systems. Research from the Binaural Hearing and Speech Laboratory explains that while basic hearing abilities are present at birth, the auditory pathways continue maturing well into the teenage years (Litovsky, 2015).
That means:
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Their auditory systems are still developing
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They may not detect subtle increases in loudness
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They are not good judges of “too loud”
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They have decades of noise exposure ahead of them
Unlike factory workers, there’s no sound level meter to measure noise levels in a playroom, no annual occupational hearing exam, and no supervisor keeping an eye on the volume. That means it’s up to us as the parents to guide safe listening, set boundaries, and build healthy habits from the start.
Young children, in particular, aren’t able to detect small changes in loudness, so they aren’t the best judges of how loud their headphones really are. As parents, the responsibility of setting volume limits and listening time boundaries falls to us.
And the stakes are real. Research suggests hearing concerns are already on the rise. Johns Hopkins researchers estimate adult hearing loss in the U.S. will rise from 15% in 2020 to 22% of adults over the age of 20 by 2060 (Gorman et al., 2017).
As a mom, that’s not a trend I want my children contributing to.
So What Should Parents Do?
While we don’t have official, child-specific exposure limits, research and expert guidance give us enough to make cautious choices. Here’s what I recommend for families:
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Limit how long your child listens at a time
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Encourage regular listening breaks
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Choose volume-limiting headphones
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Avoid setting devices to full volume
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Consider noise-canceling options to reduce background noise
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Model safe listening habits yourself
Often, simply turning the volume down a few steps provides the same perceived comfort for your child, while significantly reducing risk.
Think of 85 dB as a “friendly ceiling” rather than a golden rule. With volume-limiting headphones and a few smart listening habits, kids can enjoy their favorite shows, music, and audiobooks, and parents can breathe easier knowing their little ears are safe from potential noise-induced hearing loss.
The Bottom Line
“85 dB for 8 hours” is an adult workplace guideline, not a target or safe limit for pediatric listening.
Quieter listening isn’t about being overly cautious. It’s about protecting little ears that need to last longer than a factory worker’s career.
This World Hearing Day is a great reminder that small steps today—like turning down the volume, taking listening breaks, and choosing the right headphones—can make a big difference in lifelong hearing health.
So next time your child turns it up “just a little louder,” pause and consider whether they’re practicing safe listening habits. Small adjustments today can protect their hearing for a lifetime.
Citations
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Goman, A. M., Reed, N. S., & Lin, F. R. (2017). Addressing Estimated Hearing Loss in Adults in 2060. JAMA Otolaryngology–Head & Neck Surgery, 143(7), 733. https://doi.org/10.1001/jamaoto.2016.4642
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Liang, M., Zhao, F., French, D., & Zheng, Y. (2012). Characteristics of noise-canceling headphones to reduce the hearing hazard for MP3 users. The Journal of the Acoustical Society of America, 131(6), 4526–4534. https://doi.org/10.1121/1.4707457
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Litovsky, R. Y. (2015). Development of the auditory system. Handbook of Clinical Neurology, 129, 55–72. https://doi.org/10.1016/B978-0-444-62630-1.00003-2
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“Noise-Induced Hearing Loss | Noise and Hearing Loss.” 2024. CDC. https://www.cdc.gov/niosh/noise/about/noise.html
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Widén, S. E., Båsjö, S., Möller, C., & Kähäri, K. (2017). Headphone Listening Habits and Hearing Thresholds in Swedish Adolescents. Noise & Health, 19(88), 125–132. https://doi.org/10.4103/nah.NAH_65_16
