DecibelwerkGuides
Decibels in plain language: how loud things are, how long is safe, and how to measure it with the phone you already have.
Measuring sound
How loud is it?
Decibel chart: how loud common sounds are, 20 to 140 dB
A decibel chart of everyday sounds, from rustling leaves at 20 dB to fireworks at 140 dB, with the safe listening time at each level.
How loud is a concert in decibels? And how long is safe
Concerts typically run 100 to 120 dB. What that means for your hearing, how long is safe at each level, and how to protect your ears without spoiling the show.