Acoustic Calculator

Calculate sound transmission, absorption coefficients, and acoustic properties for various building materials including glass, concrete, wood, and more.

ASTM E413 · ISO 717-1 · ASTM C423

Select Material

glass

concrete

wood

metal

insulation

other

Material Properties

Material Thickness (mm)

Typical range: 3-20mm

Material Density (kg/m³)

Default density for Standard Glass (Annealed): 2500 kg/m³

Quick Tip:

The calculator uses industry-standard formulas to compute STC ratings, transmission loss, and absorption coefficients across octave bands from 63Hz to 8kHz.

Configure inputs and calculate to see results