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Free Decibel Meter

50 Decibels — How Loud Is It?

Moderate

50 dB is about as loud as moderate rainfall. Moderate rainfall and a quiet open-plan office both measure around 50 dB — present and clearly audible, but not disruptive for focused daytime activity. At night it is louder than most sleep guidelines recommend, and light sleepers commonly notice sources at this level through an interior wall.

What does 50 dB sound like?

  • 50 dB — Moderate rainfall
  • 50 dB — Quiet open-plan office
  • 48 dB — Quiet suburban street

Safe exposure time at 50 dB

Under NIOSH's Recommended Exposure Limit (85 dB, 3 dB exchange rate), safe unprotected exposure at 50 dB is effectively unlimited. Under OSHA's legal Permissible Exposure Limit (90 dB, 5 dB exchange rate), it is effectively unlimited.

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    Frequently asked questions

    What does 50 dB sound like?
    Roughly moderate rainfall, or the background hum of a quiet open-plan office — noticeable but not disruptive for most people during the day.
    Is 50 dB loud at night?
    It can be. 50 dB is above WHO's 40 dB night-time guideline for undisturbed sleep, and light sleepers may notice it. It's not loud by daytime standards, but it sits in a range worth reducing in a bedroom.
    Can you hear 50 dB through a wall?
    Often, yes. Typical interior walls only attenuate sound by 30–45 dB, so a 50 dB source next door can still be audible, especially without other background noise to mask it.
    What activities reach 50 dB?
    Moderate rainfall, a running dishwasher heard from another room, and typical open-plan office chatter all commonly measure around 50 dB.
    Is 50 dB normal for an office?
    Yes — 50 dB is a common baseline for a quiet-to-moderate open-plan office, below the level most workplace-noise guidance treats as a concern.

    Sources