The 8oz size is primarily used in the UK for small cups of coffee and hot tea, commonly seen in quick-purchase and short-drinking scenarios. This medium capacity aligns with the local intuitive perception of a “small cup.”

The 12oz size is the most common and frequently used paper cup size in the UK, widely used for American coffee, lattes, and hot tea. It is the standard size for coffee shops and takeaway beverages.

In the UK, coffee and hot tea are equally popular beverages, and the takeaway culture is well-established. The 16oz size is used for large coffee drinks and cold beverages.