Sound Intensity

Calculate sound intensity and sound intensity level. Includes calculations for sound intensity from power and area, intensity level in decibels, and the relationship between sound intensity and pressure.

Calculator

Inputs

Sound Power (W)

Surface Area (m²)

Sound Pressure (Pa)

Density (Air) (kg/m³)

Sound Velocity (m/s)

Results

Sound Intensity (Power/Area)-- W/m²

Sound Intensity (Pressure)-- W/m²

Sound Intensity Level-- dB

Sound Intensity Level (from Pressure)-- dB

Sound Intensity Level (dB)	Loudness Perception
0	Very Faint
20	Very Faint
40	Faint
60	Moderate
80	Loud
100	Very Loud
225	Deafening