How loud is 100 dB?
How loud is 100 dB? Typical sounds at 100 decibels, comparison with other levels, and how long it is safe for your ears. Measure your own level free in the browser – no app needed.
100 dB is in the “Extremely Loud” range. Hearing damage after 15 minutes.
Typical sounds around 100 dB
100 dB compared with other levels
Decibels are logarithmic: +10 dB is perceived as roughly twice as loud, while +3 dB already doubles the sound energy.
Is 100 dB harmful to hearing?
At 100 dB, the recommended maximum exposure (NIOSH) is about 15 minutes per day without hearing protection. Beyond that, the risk of permanent hearing damage increases.
Guideline values based on NIOSH/WHO recommendations. Actual risk depends on distance, duration, and individual sensitivity. For reference only.
Measure it yourself
Not sure how loud it is around you right now? Our free online decibel meter runs directly in your browser – no app, no sign-up.
