What is 'Screen 14' coffee?

In the world of coffee grading, screen size is the primary method for sorting beans by physical dimension. A 'Screen 14' designation means that the beans have passed through a sieve with 14/64-inch holes. These beans are noticeably smaller than the 'Screen 18' or 'Screen 19' beans often marketed as 'large' or 'premium.' However, it is a common misconception that smaller beans are inherently lower quality.

In many high-altitude regions, coffee beans naturally grow smaller because the cooler temperatures slow down the maturation process. These smaller, denser beans can be incredibly flavorful, often possessing a higher concentration of sugars and acids. In some cases, a Screen 14 bean from a high-altitude farm will produce a much better cup than a large, Screen 18 bean grown in a lower-altitude, less-ideal environment.

Graders and buyers use screen size to ensure uniformity within a lot. If a roaster is buying a lot of Screen 14 coffee, they know that the beans will roast consistently because they are all roughly the same size. This is the true purpose of screen grading: it is not about the size itself, but about the consistency of the batch. A uniform lot of Screen 14 beans is far superior to a mixed lot of various sizes.

For the reader, this means you shouldn't be discouraged by a smaller bean size. If you see a coffee labeled as Screen 14, it simply tells you about the physical dimensions of the bean. Focus on the origin, the processing method, and the roast date. A well-sorted, uniform lot of smaller beans can offer a complex and delicious experience that rivals any larger-sized coffee on the market.