Measure Sound Levels Online — Free Decibel (dB) Meter for Your Mic

Start your microphone to measure ambient sound levels in decibels and see real-time dB readings from your environment. Monitor noise intensity, check room acoustics, and verify quiet conditions before recording audio, joining video calls, or podcasting.

Click "Start Measuring" to begin monitoring sound levels.
Real-Time Sound Level
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dB
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100 80 60 40 20 0
Statistics
Current
-- dB
Average
-- dB
Peak
-- dB
Level History
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Decibel Reference Guide
Level (dB) Example Description
0-30 dB Quiet room, whisper Very quiet - ideal for recording
30-50 dB Library, quiet office Quiet - good for calls and meetings
50-70 dB Normal conversation Moderate - typical indoor environment
70-85 dB Busy traffic, vacuum Loud - may affect audio quality
85-100 dB Power tools, concert Very loud - hearing protection recommended
100+ dB Jet engine, sirens Dangerous - limit exposure time
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Related Tools
Tips
  • For accurate readings, calibrate against a known sound source
  • Browser dB readings are relative, not absolute measurements
  • Use noise analyzer for detailed analysis
  • Check troubleshooting if levels seem wrong
Privacy

Sound level analysis is performed locally in your browser. No audio is recorded or transmitted.