Use our free online sound level meter to measure noise and sound volume in real-time using your device mic. Check environmental decibels easily.

Measure sound levels instantly with our free online decibel meter. Works in your browser using your device's microphone.

What is a Decibel? A decibel (dB) is a unit used to measure sound intensity. It's a logarithmic scale, meaning each 10 dB increase represents a sound that's roughly twice as loud.

Free online decibel meter for accurate real-time sound measurement. Professional noise monitoring for workplace safety and hearing protection.

Free online sound meter to measure environmental noise levels in decibels (dB). Real-time sound level meter for detecting quiet, noisy, or harmful sound levels.

Free online decibel meter to measure sound levels using your microphone. Track peak, average, and minimum dB levels with real-time visualization.

Measure sound loudness levels by using a microphone on your phone, laptop or desktop computer. Measure a true perceived loudness or use old SLP algorithm. Get exact ITU loudness …

Jan 31, 2026 · Our free online sound meter allows you to measure sound decibels (dB) in your environment using your device’s microphone. This sound level meter app provides real-time noise …

Decibel Meter, XIAOCETOOL®, Noise Decibel Reader, Sound Level Meter – Range 30-130dB, Max/Min, A-Weighted, with Backlit LCD Screen, Data Hold, Fast/Slow, for Home, Outdoor & Noisy …

This tool provides a good general estimate of noise levels for everyday use. It uses an A-weighting filter (dBA) to better match how the human ear perceives sound.