Decibel Chart

 

Weakest sound heard

0dB

Whisper Quiet Library

30dB

Normal conversation (3-5′)

60-70dB

Telephone dial tone

80dB

City Traffic (inside car)

85dB

Train whistle at 500′, Truck Traffic

90dB

Subway train at 200′

95dB

Level at which sustained exposure may result in hearing loss

90 – 95dB

Power mower at 3′

107dB

Snowmobile, Motorcycle

100dB

Power saw at 3′

110dB

Sandblasting, Loud Rock Concert

115dB

Pain begins

125dB

Pneumatic riveter at 4′

125dB

Even short term exposure can cause permanent damage – Loudest recommended exposure WITH hearing protection

140dB

Jet engine at 100′, Gun Blast

140dB

Death of hearing tissue

180dB

Loudest sound possible

194dB