Decibel Meter
Measure ambient noise through your microphone with a live gauge, noise-level classification and statistics.
Runs in your browser
Real-time
Live level
—dB
Statistics
—
Min
—
Max
—
Avg
—
Peak
History
- 0–30 dB
- Nearly silent
- 30–50 dB
- Library, soft talk
- 50–70 dB
- Conversation, office
- 70–85 dB
- Traffic, vacuum
- 85+ dB
- Prolonged exposure harms hearing
Built-in mics aren't SPL-calibrated — treat readings as relative, not a certified sound level meter.
About this tool
Measure ambient noise through your microphone with a live gauge, noise-level classification and statistics.
How to use
- Fill in the input box above, or click "Fill sample" to try it instantly
- Adjust the options as needed — results update as you type
- Click "Run" to get the result, then copy or export it in one click
Tips
- Runs entirely in your browser — your data never leaves the device
- Completely free, no registration, no usage limits
- Most tools compute in real time as you type