Decibel chartGunshot

How loud is a gunshot?

A gunshot measures 140–165 dB, roughly as loud as a fireworks show. At 165 dB it is loud enough to damage hearing almost instantly — there is no safe exposure time at all, so hearing protection is essential. Normal conversation runs about 60 dB for comparison.

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Gunshot at a glance
Decibel level140–165 dB
Hearing risk Extreme risk — A single shot can cause permanent damage — double protection advised
Safe exposure (NIOSH) Unsafe at any duration
Typical settingleisure

Figures sourced to NIOSH. See the full decibel levels chart for every source.

Gunshot at 140–165 dB marked on a colour-banded decibel scale from 0 to 150 dB, extreme risk; NIOSH safe exposure unsafe at any duration. Source: NIOSH.

How a gunshot compares

On the decibel scale, 140–165 dB sits above the 85 dB line where sustained exposure damages hearing. Sounds at a similar level:

Everything at this level, with safe exposure times: how loud is 150 dB? →

How loud is a gunshot?

A gunshot measures 140–165 dB, roughly as loud as a fireworks show. At 165 dB it is loud enough to damage hearing almost instantly — there is no safe exposure time at all, so hearing protection is essential. Normal conversation runs about 60 dB for comparison.

Is a gunshot dangerous to hearing?

Yes — at 165 dB, a gunshot can damage hearing almost instantly, with no safe exposure time at all; never expose unprotected ears to it.

Measure it yourself

Decibel levels vary with distance and surroundings. Check the real level where you are with the free online decibel meter — no install, nothing recorded — or see the full decibel levels chart.