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 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 …

Professional online sound level meter for measuring decibel levels in real-time. Use your device's microphone to monitor noise levels, sound intensity, and acoustic measurements instantly.

Reliable sound level meters to monitor noise in homes, offices, factories, and other environments, with accurate measurements from 30dB to 130dB.

A sound level meter, commonly referred to as a sound meter or decibel meter, is an instrument utilized to measure and evaluate the intensity or volume of sound within a given environment.

Using this information, the instrument is able to accurately convert the electrical signal back to sound pressure, and display the resulting sound pressure level (unit decibel, dB).

Free online decibel meter for instant sound level measurement. Measure environmental noise in real-time using your device microphone. No app download needed. Learn about dB levels, hearing …

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

A sound level meter (SLM) uses a microphone containing a sensitive diaphragm to measure changes in the air pressure. The information is converted to an electrical signal, interpreted by a microprocessor, …

Oct 9, 2025 · Sound level meter (or SPL) app is shows a decibel values by measure the environmental noise, displays measured dB values in various forms. You can experience tidy graphic design with …