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

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

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).

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, …

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.

Sound level meters measure the intensity of sound energy to help prevent work-related hearing loss. They are more accurate and reliable than smartphone-based apps and can be calibrated to ensure …

Mar 30, 2025 · Sound meters, also known as sound level meters or noise level meters, are essential tools used for measuring sound intensity and the quality of noise in various environments.

Dec 10, 2025 · Sound level meters are used to measure the intensity of sound in decibels (dB), and they are essential tools in various fields such as environmental noise assessment, workplace safety, and …

Nov 14, 2025 · Online Sound Meter helps you measure noise levels in decibels. Use your microphone to easily measure sound level in real time without needing a physical sound meter. This sound meter …

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 …