A sound-level meter reading with an A-weighting network simulating the human-ear response at a loudness level of 40 phons.
- Enter frequency and level in either dB or dB(A) to get conversion and weighting or frequency only to get weighting.
|Noise Source||Sound Pressure Level dB(A)|
|Jet takeoff from 25m (possible eardrum damage)||150|
|Aircraft carrier flight deck||140|
|Jet take-off from 100m||130|
|Rock band||110 - 120|
|Jet fly-by at 300m, car horn at 1m||100 - 110|
|Petrol grass mower - operator||90 - 100|
|Food blender - operator, busy urban street||80 - 90|
|Accelerating vehicle from 50kmhr-1 at 7.5m||70 - 80|
|Vacuum cleaner - operator||60 - 70|
|Light traffic at 30m||50 - 60|
|Quiet residential area - daytime||40 - 50|
|Quiet residential area - nighttime||30 - 40|
|Wilderness, rustling leaves, whisper||20 -30|
|Threshold of human hearing||0|
See also: A Weighting, dBB, Decibel, Sound Pressure Level.