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How loud is 88 decibels (dB)?

88 dB is roughly as loud as a petrol lawn mower. On the decibel scale this counts as very loud — at/above the action level.
0 dB3570105140 dB
Level
88 dB
Category
Very loud
Everyday match
A petrol lawn mower
Safe daily limit
4 hours

Decibels are not intuitive, because the scale is logarithmic. 88 dB is not simply “a bit more” than the level below it — the energy climbs far faster than the number suggests. This page translates 88 dB into sounds you already know, shows exactly where it falls on the scale, and tells you whether it is safe.

What does 88 dB sound like?

88 dB is in the risk zone. It is at or above the 85 dBA action level used by NIOSH and OSHA, which means exposure time now matters: the louder it gets, the shorter the safe dose. Hearing protection is recommended for sustained exposure, and the damage — when it happens — is painless and permanent.

Perception matters as much as physics. The human ear is most sensitive between roughly 2,000 and 5,000 Hz, so 88 dB of high-frequency hiss can feel more intrusive than the same 88 dB of low-frequency rumble. That is why almost every figure on this site — including this one — is A-weighted (dBA): the measurement is filtered to match how human hearing actually responds.

Hearing protection

For anything above 85 dB, rated protection matters. Look at the NRR (US) or SNR (EU) figure — real-world reduction is roughly (NRR − 7) ÷ 2.

Electronic ear muffs (NRR 22–25)Shooting, mowing — amplify speech, block bangsLink coming soon
Reusable filtered earplugs (NRR 20)Concerts & musicians — flat attenuationLink coming soon
Foam earplugs (NRR 32)Sleep, travel, DIY — highest raw NRRLink coming soon

As an affiliate we may earn from qualifying purchases. This never changes our data or recommendations.

88 dB compared to nearby levels

LevelTypical sourceHow it compares to 88 dB
78 dBA food blender or garbage disposal−10 dB — about 2.0× quieter to the ear
88 dBA petrol lawn mower (this page)
98 dBA jackhammer at 15 m+10 dB — about 2.0× louder to the ear

How much louder is 88 dB, exactly?

Two different ratios answer this, and mixing them up is the single most common decibel mistake. Sound energy multiplies by ten for every 10 dB, while perceived loudness roughly doubles for every 10 dB. Against the reference of a normal conversation (60 dB), 88 dB carries roughly 631× the acoustic energy but your ear reports it as only about 6.96× as loud. That gap between energy and sensation is exactly why loud noise damages hearing before it feels painful.

Sound pressure
0.502 Pa
Perceived vs 30 dB room
55.7×
Energy vs 30 dB room
630,957×

Is 88 dB safe? How long can you listen?

88 dB exceeds the 85 dBA action level — limit unprotected exposure to about 4 hours. Above 85 dBA the NIOSH rule halves safe time for every 3 dB increase. Damage is painless and permanent, so use rated hearing protection.

For any regular activity at this level — machinery, firearms, live music, motorsport — protection is essential. Electronic muffs let you hear speech while clamping down on the dangerous peaks; foam plugs give the highest raw attenuation.

Hearing protection

For anything above 85 dB, rated protection matters. Look at the NRR (US) or SNR (EU) figure — real-world reduction is roughly (NRR − 7) ÷ 2.

Electronic ear muffs (NRR 22–25)Shooting, mowing — amplify speech, block bangsLink coming soon
Reusable filtered earplugs (NRR 20)Concerts & musicians — flat attenuationLink coming soon
Foam earplugs (NRR 32)Sleep, travel, DIY — highest raw NRRLink coming soon

As an affiliate we may earn from qualifying purchases. This never changes our data or recommendations.

How 88 dB falls off with distance

Outdoors, away from reflecting surfaces, sound follows the inverse-square law: the level drops about 6 dB every time the distance doubles. If 88 dB is measured at 1 metre, this is what a meter would read further away:

DistanceLevelComparable to
1 m88 dBA petrol lawn mower
2 m82 dBA food blender or garbage disposal
4 m76 dBA toilet flushing
8 m70 dBA vacuum cleaner at 3 m
16 m64 dBLoud conversation and laughter
32 m58 dBNormal conversation at 1 m
64 m52 dBModerate rainfall

Indoors the picture changes: walls and ceilings reflect energy back, so the level falls more slowly and flattens at the room’s reverberant level. This is why a 88 dB source in a small tiled room feels far worse than the same source in a carpeted, furnished space — and why moving a noisy appliance a metre away helps outdoors but barely helps in a bathroom. Our decibel calculator works out the exact figure for any distance.

Frequently asked questions

Is 88 dB loud?
88 dB is classified as very loud. The closest everyday reference is a petrol lawn mower. At this level safe exposure is limited to about 4 hours without hearing protection (NIOSH).
What is 88 decibels equivalent to?
The nearest everyday equivalent to 88 dB is a petrol lawn mower.
How long can you safely listen to 88 dB?
About 4 hours per day, using the NIOSH 85 dBA / 3 dB rule. Beyond that, hearing protection is recommended.
Is 88 dB harmful to hearing?
Yes, with enough exposure. Above 85 dBA, damage accumulates with time and is permanent — protection shortens the risk dramatically.
How much louder is 88 dB than a normal conversation?
Compared with a normal conversation (60 dB), 88 dB carries about 631× the sound energy and is perceived as roughly 6.96× as loud.

Nearby decibel levels

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Sources & accuracy. Reference levels are drawn from published data by NIOSH, OSHA, the CDC, the WHO Environmental Noise Guidelines and the American Speech-Language-Hearing Association (ASHA). Real-world readings vary with distance, room acoustics and the specific source, so treat every figure as a typical value rather than an exact constant. Last reviewed 2026-08-11.