Sound Meter
Measure sound levels in real-time
Sound Level Reference
How to Use the Sound Meter
Our free online sound meter makes it easy to measure decibel levels in real-time. Follow these simple steps to start monitoring sound levels instantly.
Allow Microphone Access
Click the "Start Measuring" button and grant permission for the browser to access your device's microphone.
View Real-Time Measurements
Watch the meter display current decibel levels, along with MIN, AVG, MAX, and PEAK values for comprehensive sound analysis.
Monitor the Visual Meter
The color-coded meter bar changes from green (quiet) to yellow (moderate) to red (loud) as sound levels increase.
Stop When Done
Click "Stop Measuring" to end the session. Your MAX and AVG readings will remain visible for reference.
Key Features
Real-Time dB Measurement
Instantly measure sound levels in decibels (dB) with live updates as sound changes in your environment.
Comprehensive Statistics
Track MIN, AVG, MAX, and PEAK decibel levels throughout your measurement session for detailed analysis.
Visual Meter Display
Color-coded horizontal bar with precise dB markings from 0 to 130 dB for easy visual reference.
Reference Guide
Built-in reference showing common sound levels from whisper (30 dB) to jet engine (140 dB).
Privacy Protected
All measurements happen locally in your browser. No audio data is recorded, stored, or transmitted.
100% Free
No registration, downloads, or payments required. Use our sound level meter anytime, anywhere.
Why Use Our Sound Meter?
Whether you're monitoring workplace noise, checking home sound levels, or testing audio equipment, our free online decibel meter provides accurate measurements you can trust.
Protect Your Hearing
Prolonged exposure to sounds above 85 dB can cause hearing damage. Use our meter to identify potentially harmful noise levels and take action to protect your hearing health.
Ensure Noise Compliance
Monitor workplace or residential noise levels to ensure compliance with local regulations and maintain a comfortable environment for everyone.
Test Audio Equipment
Perfect for musicians, podcasters, and audio professionals who need to check speaker output, microphone sensitivity, or room acoustics.