(33.2 * 0.301) = ~10
The industry-standard approximation for converting Sones to dBA follows this formula: Verified Reference Values 1.0 Sone: ≈is approximately equal to sone to dba verified
Use the AMCA formula for mechanical equipment. Use the Stevens formula for acoustic research. sone to dba verified
For sources in a diffuse field (typical room): sone to dba verified
"Acoustics — Methods for calculating loudness — Part 1: Zwicker method"