And then you can view the chart to compare your bathroom fan’s noise level to common activities. Sone to Decibel Calculator Room Size (Sq Ft):* Ceiling Height (Feet):* Air Changes Per Hour (ACH):* 27 CFM Sone to Decibel Chart: Sones dBa Examples 0.3 Sones 11 dBa Normal breathing 0....
Before we look at the Sones to dB calculator, chart, and the examples, let’s explain what Sones actually are, where they come from, and why we don’t just use decibels for measuring sound: What Are Sones? How Sones Compare To Decibels?
Incidentally, the sound pressure p doesn't decrease with the square of the distance from the sound source (1/r²). This is an often-told and believed wrong tale.Sound Level Comparison Chart with FactorTable of sound level dependence and the change of the respective factor to subjective ...
The sone scale is linear, so no matter the frequency or level, 2 sones is twice as loud as 1 sone, and 4 sones is twice as loud as 2 sones. This doubling is more consistent than the decibel scale where it is only a "general rule of thumb" that 10 dB is doubling in perceived s...
article, but for selecting the quietest bathroom fans, you only need to know that it’s possible to convert sones to dB (using dB = 33.2×log10(Sones) + 28 equation). To better understand how loud or quiet a certain bathroom fan is, you can use this sones to dB conversion chart: ...