Welcome to K Brew’s introduction to coffee coarseness. Nestled among the vibrant streets of our city, we strive to serve nothing short of excellence in a cup. Our mission today is to illuminate an often overlooked aspect of your coffee journey – the grind coarseness. This should help you choose the appropriate grind setting based on your brewing equipment and coffee preferences.

Many coffee enthusiasts are unaware of how profoundly the grind size can alter the flavor and character of their coffee. Each brewing method, from the sophisticated espresso machine to the timeless French press, necessitates a distinct grind size. Understanding these differences is not merely an exercise in coffee science; it’s a way to discover what you love about coffee. We’re here to guide you through this fascinating terrain.

Grind Settings and Their Brew Methods

The grind setting of your freshly ground coffee beans profoundly influences your brew’s taste, texture, and aroma. It’s not a one-size-fits-all scenario; each brewing method calls for a specific grind setting. The relationship between grind size and brewing method is a dance of science and art, ultimately shaping the coffee experience in your cup.

Coffee coarseness ground grinds

Now, let’s take a closer look at the different grind coarseness settings and their respective brewing methods. We’ll cover coarseness settings for espresso, AeroPress, pour-over and drip, and French Press.

Very Fine / Espresso

Embodying the essence of Italian coffee culture, espresso begins its journey with a very fine grind. This grind bears a striking resemblance to powdered sugar, a consistency that is vital for the high-pressure, quick brew of espresso.

Espresso machines force hot water rapidly through tightly packed coffee grounds under substantial pressure. This swift and intense brewing process extracts the full spectrum of flavors inherent in coffee, but it’s a delicate balancing act. A grind that’s too coarse can lead to under-extraction, causing a weak and underwhelming shot. On the other hand, an overly fine grind may hinder water flow, leading to over-extraction and a bitter outcome.

The very fine grind fosters a harmonious and efficient extraction, paving the way for a rich, full-bodied, and profoundly concentrated espresso shot that encapsulates the soul of your coffee. Learn more about what goes into the perfect espresso drink.

Fine / AeroPress

The AeroPress, a testament to innovative coffee brewing, prefers its coffee grounds just a notch coarser than what you’d use for espresso. The ideal AeroPress grind mirrors the consistency of table salt.

The AeroPress method immerses the coffee grounds entirely and employs mild air pressure to propel the brew through a paper filter. This means the water and coffee mingle more than with espresso, but not as long as in other methods like pour-over or French press.

The fine grind strikes an optimal balance between extraction and brew time. An overly coarse grind might culminate in a weak, under-extracted brew, while an excessively fine grind risks over-extraction, leading to unwanted bitterness.

With the perfect grind, your AeroPress will reward you with a clean, smooth, and well-rounded cup of coffee that highlights the best attributes of your chosen beans.

Medium / Pour Over and Drip

Navigating the middle ground, we arrive at the medium grind. Resembling granulated sugar, this is your go-to grind size for pour-over and drip methods.

Pour-over and drip coffee brewing methods rely on gravity guiding hot water through the grounds. This process ensures that the water and coffee maintain a moderate contact duration. One of the most popular pour-over methods is by Chemex.

Chemex brewing coffee grounds

A medium grind upholds a balance, allowing the water to extract the flavors without over or underextraction. A grind that’s too fine could result in over-extraction, imparting a bitter note to your coffee. Conversely, a coarser grind might lead to a weak, under-extracted brew.

With a medium grind, your pour-over or drip brew will yield a balanced, flavorful cup that hits the sweet spot, neither too weak nor too potent, but just right.

See our selection of Chemex and Kalita Wave Drippers for the perfect Pour-Over.

Coarse / French Press and Cold Brew

Finally, we reach the coarse grind, the perfect French Press and Cold Brew grind setting. Envision the texture of sea salt or breadcrumbs, and you have the consistency suitable for these brew processes.

The French Press brewing method immerses the coffee grounds in water for several minutes. Given this extended brew time, a coarse grind is an ideal choice. If the grind is too fine, the coffee may become over-extracted, yielding a bitter taste. Conversely, a grind that’s too coarse might not extract fully, resulting in a flat and unexciting cup.

Cold Brew works much in the same way, but the brewing water is cold (or room temperature) instead of hot. This means that cold brew requires a longer brew time. The coarse grind settings allow water to penetrate a large amount of coffee, ensuring an even and slow extraction process. Cold brew must sit for 8-20 hours, so you don’t want it to extract too quickly.

The coarse grind fosters a slower, gentler extraction, producing a bold, full-bodied cup with abundant flavor for both brewing methods.

Never made French Press before? See our Yama Coffee Press available online and in-store.


Every brewing method has its own unique rhythm and requirements, and understanding the role of grind size is crucial to unlocking the full potential of your coffee. The grind size impacts extraction, flavor, and even the texture of your brew. Each method tells a different coffee story, from the concentrated intensity of an espresso to the robust boldness of a French press brew.

Here’s a quick visual summary of important points about grind sizes and brewing methods:

Remember, while this guide provides a great starting point, coffee is a personal journey. Feel free to experiment with different grind sizes and brewing methods until you find your perfect cup. As you experiment, you’ll see how different coffee origins, roasts, and processing methods affect the taste (even when using the same brew methods).

Here at K Brew, we’re all about helping you elevate your coffee game. We offer whole-bean coffee but are also happy to grind it according to your preferred brewing method. We even do this for all online orders of our coffee as well. So, please stop by, grab a bag, and let’s brew something beautiful together!