Decibel Meter

Online Decibel Meter (Sound Meter) helps you measure noise levels in decibels and LUFS by using a microphone or uploading audio files. Measure and get the accurate ITU loudness measurements in real time without needing a physical sound meter.

Online Decibel Meter

Decibel Meter is a free online sound meter tool that allows you to analyze and estimate noise levels instantly. You can either upload your own audio file or use your device’s microphone. It has a dB A-weighted mode, and the service can be useful for musicians, DJs, or any user.

  • Use your Microphone to estimate noise levels in decibels (dB).
  • Upload your audio file to get Momentary, Integrated, and Short Term SPL-Loudness LUFS values.
  • It supports both the positive and negative scales.

How to Use Decible Meter?

  1. Click on Analyze from Microphone to use your microphone.
  2. Go to settings and select Volume option under standard.
  3. Now it will display noise levels in decibels (dB) in real time.
  4. You can also get accurate ITU loudness LUFS values.

Analyze Loudness from your audio file

  • Click on Analyze from file button.
  • Select files (stereo mode only) to upload your audio file.
  • The tool will analyze and display SPL-Loudness LUFS values.

Also see: Loudness Penalty Analyzer

Updated on March 14, 2025