Decibel Calculator
Calculate dB levels, power ratios, and combine sound sources.
Edit one field to calculate the other
Result
20 dB
Common dB Levels
0 dB: Threshold of hearing
30 dB: Whisper
60 dB: Normal conversation
85 dB: Heavy traffic (hearing damage risk)
100 dB: Motorcycle
120 dB: Rock concert / pain threshold
140 dB: Jet engine at 30m
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