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 …

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.

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

A handy and easy-to-use app to measure the surrounding sound and noise in the decibel unit (dB) inside your browser. The app uses your device microphone to capture media and then processes the …

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 with professional accuracy. Measure sound levels instantly in your browser - no download required. Perfect for classroom, workplace, and environmental noise monitoring with …

Measure real-time sound levels with our free online decibel meter. Test microphone noise, background sound, and ambient volume instantly in your browser.

Nov 14, 2025 · 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 …

Reliable decibel meters to monitor noise levels accurately. Versatile features like data hold, max/min tracking, and backlit displays for diverse applications.