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Interactive Sound Ruler

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Every day we hear a variety of sounds. Sounds that are too loud or loud sounds over a long time, can damage your hearing.

The loudness of sounds is measured in decibels (dB). Learn the decibel levels for different soudns and know which noises can cause damage to your hearing.

Protect your ears when you are involved in a loud activity.

How loud is too loud?

Decibel levelWhat we hear
10 dBNormal breathing
20 dBRustling leaves, mosquito
30 dBWhisper
40 dBStream, refrigerator humming
50-60 dBQuiet office
50-65 dBNormal conversation
60-65 dBLaughter
70 dBVacuum cleaner, hair dryer
75 dBDishwasher
78 dBWashing machine
80 dBGarbage disposal, city traffic noise

Prolonged exposure to any noise above 90 dB can cause gradual hearing loss.

84 dBDiesel truck
70-90 dBRecreational vehicle
88 dBSubway, motorcycle
85-90 dBLawnmower
100 dBTrain, garbage truck
97 dBNewspaper press
98 dBFarm tractor

Regular exposure of more than 1 minute risks permanent hearing loss.

103 dBJet flyover at 100 feet
105 dBSnowmobile
110 dBJackhammer, power saw, symphony orchestra
120 dBThunderclap, discotheque/boom box
110-125 dBStereo
110-140 dBRock concerts
130 dBJet takeoff, shotgun firing
145 dBBoom cars

For more information about noise-induced hearing loss, contact:

NIDCD Information Clearinghouse
1 Communication Avenue
Bethesda, MD 20892-3456
Phone: 1-800-241-1044
TTY: 1-800-241-1055

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