Loud Headphones: What the 60/60 Rule Gets Right and What Your Phone Measures Better

Headphones damage hearing the way any noise does — by dose, loudness multiplied by time — only right at the ear and often for hours a day. The damage is gradual and painless. The popular 60/60 rule is a rough rule of thumb, not a standard; the sound-dose counter built into many phones tracks what actually matters.

When to see a doctor

Right away, call an ambulance: hearing loss or ringing together with a drooping face, a weak arm, slurred speech or severe spinning dizziness, or after a head injury (NHS, UK). Call 999 in the UK, 911 in the US, 112 in the EU.

The same day: hearing suddenly drops in one or both ears, including after a long, loud listening session. Do not wait to see whether it comes back by morning; in the UK, NICE asks for assessment within 24 hours. Details are in protect your hearing: loudness × time.

Routinely: you often ask people to repeat themselves, struggle to follow speech in noise, or have ringing that does not go away (WHO, NIDCD, NHS). Ask for a hearing test.

What is happening

Slow and silent. Loud sound first tires the sensory cells of the inner ear — muffled hearing or ringing after listening is that overload. Repeated for years, it becomes permanent loss: high pitches first, then the clarity of speech. Ringing may stay for good (WHO, NIDCD).

Where 60/60 comes from. No standard sets it. It goes back to Fligor and Cox (2004), who measured portable CD players with several kinds of headphones. With on-ear headphones and the US NIOSH dose model, the daily allowance was typically used up in about an hour at 70% volume, so the authors proposed a simple guideline: no more than an hour a day at 60%. Note the original wording — an hour a day, not "at a time". The WHO also lists keeping volume below 60% of maximum and listening less than an hour a day among ways to cut the dose.

Why 60% is not a decibel level. In the same study, maximum output ranged from 91 to 121 dBA depending on the player and headphones. With in-ear buds, one manufacturer's player got 7–9 dB louder than with its standard headphones, and the safe percentage shifted unpredictably. 60% is a share of one device's scale: safe with one pair, maybe not with another.

What your phone can measure instead. The WHO–ITU standard for safe listening devices (H.870) asks devices to count your sound dose as a share of a weekly allowance — 80 dB for 40 hours for adults, 75 dB for children — to warn you and to offer a volume limit, including a parental one. The WHO calls this a benchmark, not a guarantee of safety.

iPhone, iPad, Apple Watch: a notification when, over 7 days, you have gone past the equivalent of, for example, 80 dB for 40 hours; the volume is then lowered the next time you connect headphones. The Reduce Loud Audio setting caps sound above a level you choose. In some countries these notifications cannot be switched off (Apple).
Android: from Android 14, the system can count the sound dose over a rolling 7 days and warn each time you reach 100% of the weekly allowance. The manufacturer turns it on by country, so some phones do not have it (Android Open Source Project).
EU: under Commission Decision 2009/490/EC, personal players are set to no more than 85 dB(A) by default; you can go up to 100 dB(A), with a warning repeated every 20 hours of listening (Belgian public health service summary).

Noise-cancelling helps, with one caveat. In street and subway noise, people chose volumes up to 4 dB lower with noise-cancelling headphones than with ordinary earbuds (Liang et al., 2012, 26 participants); the louder the background, the louder people turn up their music. The WHO recommends noise-cancelling for frequent train and plane travellers — and warns that headphones reduce awareness of your surroundings when walking or cycling.

What to do

Turn on headphone notifications or sound-dose tracking and, if your phone has it, the loud-audio limit.
Set the volume in a quiet place and do not raise it to drown out noise; in a noisy place use noise-cancelling instead.
Listen to the aftermath: ringing or muffled hearing after listening means the dose was too high — go quieter and shorter next time.
No counter on your device? Use 60/60 as a rough starting point, remembering it is an hour a day, not per session.
For children, switch on a child volume limit or a lower listening mode (WHO–ITU).
On the street, use transparency mode or keep one ear free: don't walk with both ears blocked.

When this is not the case

Headphones are not your only dose. Concerts, loud work and power tools add up; the full picture, earplugs and when it is urgent are in protect your hearing: loudness × time.
If you already have hearing loss or wear hearing aids, ask your audiologist which settings and limits suit you.

Sources

Checked: 24 September 2026