Room Sound Absorption Calculator

Calculate room constant and reverberant sound level based on room surface absorption coefficients.

Room dimension
feet
Room dimension
feet
Floor to ceiling
feet
0.1=Hard surfaces, 0.3=Mixed, 0.5=Soft/acoustic treatment

Results

Total Room Surface Area-ft²
Total Absorption-sabins
Room Constant (R)-ft²
Reverberant Field Reduction-dB
References: ASHRAE Fundamentals Ch. 49, ARI Guideline K-1977 - Sound Rating of Outdoor Unitary Equipment