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Barely audible · Sound level

How loud is 5 dB?

5 dB is barely audible – sounds about 45.3 times quieter than normal conversation.

5 dB
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Listen: sounds near 5 dB

Silence and Fun by Charles E. Mullen (1904)
1:47Public domainby C.E. Mullen.Wikimedia Commons
1:47
I am having trouble breathing
0:03CC0 1.0by CzechcampWikimedia Commons
0:03
3.557e-05 PaSound pressure
3.16 × 10^-12 W/m²Intensity
×0.02Perceived vs. 60 dB talk
No limitNIOSH daily limit

How loud is 5 dB?

5 decibels is barely audible. 5 dB sounds about 45.3 times quieter than normal conversation (60 dB), and it carries 3.16e-06 times the sound energy. Typical sounds around this level: threshold of hearing, normal breathing.

Decibels are logarithmic: every +10 dB means ten times more sound intensity but is heard as only about twice as loud, and every +6 dB doubles the sound pressure. That is why a few decibels can make a big difference.

Is 5 dB safe?

Yes. 5 dB is far below the levels that damage hearing. In bedrooms, the WHO recommends night-time levels around 30 dB or lower for undisturbed sleep.

Sounds around 5 dB

0 dBThreshold of hearing
The quietest sound a young, healthy ear can detect at 1 kHz (20 µPa).10 dBNormal breathing
Measured close to the face in a very quiet room.

Frequently asked questions

Is 5 dB loud?

5 dB is barely audible. For comparison: threshold of hearing, normal breathing.

How many times louder is 5 dB than 0 dB?

A 10 dB increase means ten times the sound intensity and is heard as roughly twice as loud.

How long can you listen to 5 dB?

5 dB is safe for unlimited listening.