##  [Average Length of Stay (ALOS)](/index.php/average-length-stay-alos) 

  ##  [Average Length of Stay (ALOS)](https://commerce.quantumdictionary.io/average-length-stay-alos-0) 

  

 [![Commerce, Trade & Industry Dictionary](/sites/default/files/styles/large/public/2026-01/Commerce%2C%20Trade%20%26%20Industry.png.webp?itok=nh8jKPLm)](/index.php/topic-specific-dictionaries/commerce-trade-industry)



**Commerce, Trade & Industry Dictionary**

 







 

 

 

 



 

 

 

 

Definition

Average number of consecutive nights that guests occupy a room during a defined time period, calculated by dividing total occupied room nights by number of bookings (arrivals) in the same period. It measures stay length per booking and supports operational and revenue-management planning.