Sound Ratings

Decibel (dB) Comparison Chart

Common Sounds you Hear

This decibel (dba) table compares some common sound levels and shows how they rank in potential harm to hearing.

SOUND NOISE LEVEL (dBA) EFFECT
Jet Engines (Close) 140  Very Loud
Shotgun Firing 130  Very Loud
Jet Takeoff (100-200 Ft.) 130  Very Loud
Rock Concert (Varies) 110-140 Threshold of pain (125 dB)
Oxygen Torch 121
Disco/Boom Box 120 Threshold of sensation (120 dB)
Thunderclap (Near) 120
Stereo (Over 100 Watts) 110-125
Symphony Orchestra 110 Regular exposure of more than 1 minute risks permanent hearing loss (over 100 dB)
Power Saw (Chain Saw) 110
Jackhammer 110
Snowmobile 105
Jet Fly-over (1000 Ft.) 103
Electric Furnace Area 100 No more than 15 minutes of unprotected exposure recommended (90-100 dB)
Garbage Truck/Cement Mixer 100
Farm Tractor 98
Newspaper Press 97
Subway, Motorcycle (26 Ft) 88 Very annoying
Gas Lawnmower, Food Blender 85-90 Level at which hearing damage starts after 8 hours (85dB)
Recreational Vehicles, TV 70-90
Diesel Truck (40 Mph, 50 Ft.) 84
Average City Traffic Noise 80 Annoying; interferes with regular and telephone conversation
Garbage Disposal 80
Washing Machine 78
Dishwasher 75
Vacuum Cleaner 70 Intrusive; interferes with regular and telephone conversation
Hair Dryer 70
Normal Conversation 50-65
Quiet Office 50-60 Comfortable (under 60 dB)
Refrigerator Humming 40
Whisper 30 Very quiet
Broadcasting Studio 30
Rustling Leaves 20 Just audible
Normal Breathing 10
0 Threshold of normal hearing (1000-4000 Hz)

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