Skuti Science Free scientific calculators & converters

Sound Intensity & Decibel Calculator

Convert sound intensity (W/m²) to decibels and back, plus sound pressure.

Results

Intensity—
Sound level—
RMS sound pressure (air)—
Comparable to—

How to use the Sound Intensity & Decibel Calculator

  1. Fill in what you know of: Intensity, Level — leave the unknown empty.
  2. The results (Intensity, Sound level, RMS sound pressure (air), Comparable to) are calculated instantly as you type.
  3. Use “Copy link” to share the calculation with the same input values.

Formula

  • L = 10·log₁₀(I/I₀), I₀ = 10⁻¹² W/m²