HowLoudHow Loud Is 50 Decibels?
50 dB is moderate but comfortable. It is the level of moderate rainfall, a refrigerator heard up close, or a quiet conversation at home. You can talk normally over it and it does not tire your hearing.
What sounds are 50 decibels?
- Moderate rainfall outdoors
- A refrigerator heard from one metre away
- A quiet conversation between two people at home
- A residential street in the daytime with light traffic
- A typical dishwasher or a quiet washing machine
50 dB(A) is a very common reading for indoor daytime environments. Most people describe it as 'quiet' rather than 'silent'. It is ten times the sound energy of 40 dB and one-tenth of the energy of 60 dB.
Is 50 dB loud?
No. 50 dB is safe for any length of time and is a typical target for offices and classrooms during quiet work. In many countries it is the daytime noise limit outside homes in residential zones, and a common maximum recommended level for white-noise machines in a nursery.
| Zone | Safe (below 60 dB) |
|---|---|
| Safe daily exposure | no limit for hearing safety (below the 85 dB threshold) |
| Compared with 60 dB (normal talk) | 10 dB quieter — sounds roughly 2.0× as quiet, 10× the sound energy |
| Compared with 85 dB (damage threshold) | 35 dB quieter — sounds roughly 11× as quiet, 3,162× the sound energy |
Is 50 dB safe in headphones?
Yes. 50 dB is below the level where listening time matters, so you can listen at 50 dB as long as you like. It is a comfortable, slightly quiet volume for music in a calm room and the level most hearing-health guides recommend as a default.
Can noise-cancelling headphones block 50 dB?
Mostly. Active noise cancelling plus the earcups' passive seal typically take 20–30 dB off steady, low-pitched noise (engines, fans, air conditioning) and 10–20 dB off voices and sharp sounds. A 50 dB background drops to roughly 20–30 dB, quiet enough that you can keep your music low, which is the real hearing benefit of ANC.
How far away can you hear 50 dB?
Sound from a small source spreads out and loses 6 dB every time the distance doubles (the inverse-square law). If something measures 50 dB at one metre, in open air it reads:
| Distance | Level |
|---|---|
| 2 m | 44 dB |
| 10 m | 30 dB |
It stays audible above a quiet 35 dB background up to about 6 m in theory. Walls and doors cut it further: a closed interior door removes about 20–30 dB.
How many watts is 50 dB?
Decibels measure loudness at a point, not power, so the answer depends on what makes the sound. Two useful numbers:
- Acoustic power: a small source that measures 50 dB at one metre radiates about 1.3 µW of sound energy in total. Sound is a tiny amount of energy: a loud voice is around a hundredth of a watt.
- Amplifier power: A typical bookshelf speaker (sensitivity 87 dB at 1 W, 1 m) reaches 50 dB at one metre with only 200 µW of amplifier power. Volume knobs spend most of their range well below one watt.
Measure it yourself
Open the free online decibel meter on your phone or laptop and hold it where you want to measure. Readings from a built-in microphone are estimates within a few dB; for a legal noise complaint use a calibrated sound level meter.
Frequently asked questions
Is 50 dB loud for a dishwasher or washing machine?
It is average. Quiet models are rated 40–45 dB; anything above 55 dB will be clearly heard in an open-plan kitchen.
Is 50 dB safe for a baby?
Yes, as a continuous level. The American Academy of Pediatrics suggests keeping nursery sound machines at or below 50 dB measured where the baby sleeps.
Can 50 dB damage hearing?
No. Hearing damage starts with long exposure above 85 dB. 50 dB is more than 3,000 times less sound energy than that.