We often get asked whether it’s possible to calculate the overall dB(A) value from a set of 1:1 octave band value. The short answer is yes, but there are a few things to consider, in terms of how the data has been measured and what it is being compared to.
Calculating dB(A) from Octave Band Sound Levels
![](https://www.cirrusresearch.co.uk/blog/wp-content/uploads/2020/03/Octave-Band-Sound-Levels.png)