Online Decibel Meter
Real-time sound level measurement tool. Test ambient noise and measure decibel levels using your device microphone.
Real-time Monitoring
Continuously monitor sound levels with live updates and visual indicators for immediate feedback.
Device Calibration
Adjust calibration settings to improve accuracy and match professional sound meters.
Noise Level Classification
Automatic classification of sound levels with color-coded indicators and safety warnings.
Visual Feedback
Interactive gauge and waveform visualization to better understand sound characteristics.
Mobile Optimized
Responsive design works perfectly on smartphones and tablets for portable sound measurements.
Why Use Our Online Decibel Meter?
Our web-based decibel meter provides professional-grade sound level measurements directly in your browser. Perfect for noise monitoring, workplace safety assessments, and environmental sound testing without requiring specialized equipment.
Common Use Cases
- Workplace noise level monitoring for safety compliance
- Residential noise measurement for neighbor disputes
- Construction site noise monitoring
- Event and venue sound level management
- Educational demonstrations in physics and acoustics
- Hearing protection awareness and assessment
Technical Features
Built with Web Audio API for accurate real-time audio analysis. Features include A-weighted decibel calculation, frequency analysis, automatic gain control, and customizable calibration for different device types.
Usage Tips
For best results, ensure your device microphone is not obstructed and calibrate using a known reference source. Keep the device steady during measurements and be aware that different devices may have varying microphone sensitivities.