As an expert sommelier and brewer, I can provide you with a detailed answer about the size of a schooner glass. The size of a schooner glass is commonly misunderstood and varies depending on the region or establishment. However, in general, a schooner glass typically holds approximately 425 ml of beer.
To give you some context, a pint glass is the most commonly used glass for serving beer in many countries, including the United States and the United Kingdom. A standard pint glass typically holds around 570 ml of beer. So, when comparing a pint and a schooner, it's evident that the pint glass can hold nearly one-third more beer than a schooner glass.
It's important to note that the exact size of a schooner glass can vary from place to place. In some regions, a schooner glass may hold slightly more or less than 425 ml. This discrepancy can be due to differences in glassware manufacturers, regional preferences, or even the specific establishment's choice.
In my personal experience, I have encountered schooner glasses in various sizes depending on the country or establishment I have visited. For example, in Australia, a schooner glass typically holds around 425 ml, whereas in some parts of the United States, a schooner glass may hold closer to 355 ml. These variations can make it challenging to determine a standardized size for a schooner glass.
To summarize, the size of a schooner glass is generally around 425 ml, but it can vary depending on the region or establishment. It is important to check with the specific place you are visiting to know the exact size they serve.