Noise Level Converter
Convert between decibel scales and distances
dB
m
m
公式
dB₂ = dB₁ - 20log(d₂/d₁)
Sound drops ~6dB per doubling of distance (inverse square law).
示例
85dB at 1m, 10m away
65 dB at 10m.
常见问题
关于 Noise Level
Convert between decibel levels at different distances.