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Here are some common sounds and their decibel or loudness levels.
Sound Level
(decibels) |
Common Sounds |
| 0 |
 | Reference Level |
|
| 18 |
| Quiet Whisper 5 feet |
|
| 30 |
| Whisper |
|
| 40 |
| Average Residence |
|
| 50 |
| Rainfall, Quiet Office, Refrigerator |
|
| 55 |
| Average Office |
|
| 60 |
| Dishwasher, Conversation |
|
| 65 -70 |
| Average intensity level of a Teacher's Voice |
|
| 55 -75 |
| Typical occupied Classroom Noise Levels |
| The Noise Level can be Higher than the Teacher's Voice Level |
|
| 70 |
| Average Conversational Speech 5.25 feet |
| Traffic, Vacuum Cleaner, Restaurant |
|
| 80 |
| Alarm Clock, Subway, Factory Noise |
|
| 90 |
| Electric Razor, Lawnmower |
|
| 92 |
| Noisiest Spot at Niagara Falls |
|
| 100 |
| Garbage Truck, Chain Saw |
| Stereo System Set Above Halfway Mark |
|
| 110 |
| Rock Concert, Power Saw |
|
| 120 |
| Jet Takeoff, Night Club, Thunder |
|
| 130 |
| Jack Hammer |
| Threshold of Pain |
|
| 140 |
| Shotgun, Air Raid System |
|
| 180 |
| Rocket Launching Pad |
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Continued Exposure to Sound Levels louder than 90 decibels
can eventually cause a Hearing Loss.
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