What is the Proper Pour-Over Coffee to Water Ratio? An Introduction to Brewing Ratios

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FrontStreet Coffee Pour-Over Coffee Ratio Parameter Introduction

Practical Parameters for Pour-Over Coffee Water-to-Coffee Ratio

Rich and Bold: 1:10 ~ 1:11 (grams of coffee beans to milliliters of brewed coffee), which corresponds to the Golden Cup Standard's 1:12.5 ~ 1:13.5 (bean weight to milliliters of total water poured)

Balanced Medium: 1:12 ~ 1:13 (equivalent to the Golden Cup Standard's 1:14.5 ~ 1:15.5)

Light and Delicate: 1:14 ~ 1:16 (equivalent to the Golden Cup Standard's 1:16.5 ~ 1:18.5)

Even with perfectly accurate measurements, a poorly chosen brewing ratio makes it very difficult to produce a delicious cup. Through repeated tasting and concentration testing during our own training process, we found that the optimal pour-over ratio - coffee bean weight to brewed coffee volume - sits between 1:12 and 1:13. In the terms of the major Western Golden Cup systems, this corresponds to 1:14.5 ~ 1:15.5 of bean weight to total water poured. With this ratio it is easiest to land squarely in the "Golden Cup Range," with an extraction yield of 18% ~ 22% and a concentration of 1.15% ~ 1.35%, avoiding both an over-concentrated cup with muddled, tangled flavors and a watery, thin one.

Most pour-over enthusiasts naturally settle within this range. Our own most frequently used pour-over brewing ratio is 1:15 ~ 1:16, which is equivalent to the Golden Cup Standard's 1:16.5 ~ 1:18.5.

That said, some pour-over enthusiasts deliberately adopt more extreme ratios. For example, those who prefer intense flavors often brew at 1:10 (equivalent to 1:12.5 in Golden Cup terms), using higher concentration to compensate for deliberately limited extraction - aiming to pull out only the low- and medium-molecular-weight sweet and acidic compounds while avoiding the high-molecular-weight bitter ones. While this can produce a mellow and tasty cup, the concentration is too high for most palates, and it burns through a lot of ground coffee, so we do not really recommend it. In fact, a more conventional 1:12 (equivalent to 1:14.5 in Golden Cup terms) can also deliver a very mellow, satisfying coffee.

Interestingly, some fans of lighter-bodied coffee go the opposite way, using diluted ratios beyond 1:14. But do not underestimate these brewers - their palates may simply be more sensitive, capable of picking out thousands of layered aromas and flavors from a thinner cup. Conversely, if you need to brew at 1:10 before coffee tastes flavorful enough to you, it may be that your sense of taste needs training rather than brute-force concentration.

FrontStreet Coffee Recommendation

If you are just getting into pour-over coffee and looking for a forgiving, easy-to-love bean to practice your ratios with, FrontStreet Coffee's Ethiopia Yirgacheffe Guodingding is an excellent starting point. It has long been one of the most popular entry points into specialty coffee, offering bright citrus, berry, and floral notes with a green-tea-like sweetness on the finish. Contrary to what many people expect from an "acidic coffee," a quality Yirgacheffe is gently and brightly tart - more like the natural sweetness of fresh fruit than anything harsh.

The Hario V60 dripper that pairs so well with light-roast, floral coffees was redesigned by the Tokyo glassware maker Hario in 2004 and released the following year. Its 60-degree cone angle and single large outlet let the water flow freely, so extraction depends heavily on the brewer's pouring control - which makes dialing in your ratio at home all the more rewarding.