A decibel (dB) is a unit used to measure how loud a sound is (intensity).
For example, a whisper usually measures about 15 dB to 30 dB, a vacuum cleaner about 75 dB, and a motorcycle about 100 dB. Any sound over 85 dB is considered harmful.
|Primary Medical Reviewer||William H. Blahd, Jr., MD, FACEP - Emergency Medicine|
|Specialist Medical Reviewer||Charles M. Myer, III, MD - Otolaryngology|
|Current as of||April 8, 2013|
WebMD Medical Reference from Healthwise