Sound Intensity Calculator
Sound Intensity
Calculate sound intensity in watts per square meter from dB.
Formula
Intensity = 10^-12 x 10^(SPL/10) W/sq m
Frequently Asked Questions
What is the reference intensity for dB?
The reference is 10^-12 W/sq m, the threshold of human hearing.
At what dB level is sound dangerous?
Prolonged exposure above 85 dB can cause hearing damage.