Noise Reduction Calculator

Calculate how barriers and distance reduce noise levels, and check if the result is safe for hearing.

Reference: 60 dB conversation, 85 dB traffic, 100 dB concert, 120 dB siren

Source level is measured at 3 feet. Sound drops ~6 dB per doubling of distance.

Reduced Noise Level
0 dB
Total Reduction
0 dB
Perceived Loudness
100%
Hearing Safety
--
Safe Exposure Time
--

Noise Level Comparison

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