Measure Sound Levels in Real Time

• Use this free online decibel meter to measure noise levels in real time directly in your browser using your device's microphone.
• Check how loud your room, office, classroom, or environment is without any installation required.
• The audio is processed locally in your browser, ensuring that nothing is recorded or uploaded.

Live Meter Functionality

• Press start and allow microphone access to see the decibel level update live.
• The tool tracks minimum, average, and maximum decibel values throughout the session.

Reference and Understanding

• Provides a reference guide to understand what different decibel (dB) levels mean, from whispers to dangerous sounds.
• Explains common use cases such as checking home, office, or classroom noise levels, and comparing street noise.
• Offers insights into accuracy and limitations, noting that results can vary and recommending professional equipment for certified measurements.

Frequently Asked Questions

• Is it free? Yes, it's a free online tool with no sign-up, payment, or hidden ads.
• Does it record audio? No, all sound processing is done locally in the browser.
• How accurate is it? It provides an estimate, with accuracy depending on your device and environment.
• What is a safe decibel level? Quiet and moderate levels are generally comfortable. Prolonged exposure to loud noise (85 dB and above) may pose a hearing risk.
• Can I use it on my phone? Yes, it works on modern mobile browsers with microphone access enabled.