Sound Absorption Coefficient (α) & RT60 Calculator

Calculate room RT60 reverberation time of your room with the Sabine formula (RT60 = 0.161 × V / A) using a database 24 material with absorption coefficient α per octave band 125 Hz–4 kHz. Design your treatment needs

🔒 100% client-side — no data sent to any server

Mode 1 — Calculate RT60 from Room Dimensions & Materials

Room surfaces

Add each surface: pick a material then enter its area (m²). Example:

MaterialArea (m²)

Frequently asked questions

🔗 Terkait akustik: Sound Speed Calculator — calculate sound propagation speed in air & other media.

Free tool by NRTechStudio

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