Coffee to Water Ratio: The Ultimate Guide to Brewing Ratios

“there is a beautiful paradox in the simplicity of preparing coffee and the complexity of its domain”. For years this phrase was written on the back of our coffee bags as an acknowledgment that making coffee is pretty simple, you just add coffee to water, but there is a world of nuance within that simplicity. Along with grind size and brew time, the coffee to water ratio is another important factor in turning a mediocre cup of coffee into a cup of pure bliss. This guide will tell you everything you need to know about adjusting your coffee to water ratio to get ever closer to your perfect cup of coffee.

what is the coffee preparation ratio?

brew ratio refers to the amount of coffee and water used in a brew. it’s a weight-based formula that can be applied to brew any quantity, whether it’s a single cup or a large pot. the golden ratio of coffee, the ratio that tends to produce the most balanced cup, is 1:18 (also written 18:1). this translates to 1 part coffee to 18 parts water. we use the brew ratio to describe the strength of the coffee. a lower ratio will produce a more concentrated brew, while a higher ratio will make a lighter brew.

Reading: Best drip coffee ratio

For example, a typical coffee shop to-go is 12 oz (340 g) and is likely to be brewed at a strength of 1:17. this means that 20 grams of coffee is used in that cup because 340 / 17 = 20.

what is the golden ratio of coffee

Although ratios are completely subjective, almost all well-balanced cups of coffee are consistently brewed around a certain ratio. the golden ratio of coffee is 1:18 (1 gram of coffee for every 18 grams of water). if you want a stronger cup use a 1:15 ratio or if you want a lighter cup use 1:18. but the most common is between 15 and 18 grams of water for each gram of coffee. espresso, on the other hand, uses a 1:2 ratio (1 gram of coffee to 2 grams of water) because it’s a concentrate that’s typically diluted with water or milk.

here are some formulas to help you quickly find the right amount of coffee to grind.

  1. start with water. If you want to brew a specific volume of coffee, such as a single serving for your favorite cup of coffee, divide that amount by your desired strength to find out how much coffee you’ll need. a standard dining cup contains 10 oz (283 g) of water. Divide that number by the desired ratio, such as 17, to determine the amount of coffee you’ll need to grind: 283/17 = 16.5. so you must weigh and grind 16.5 grams of coffee.
  2. start with coffee. if you only have a certain amount of coffee, multiply that number by your ratio to find out how much water you’ll need. so if you start with 30 grams of coffee, multiply that by 15 if you want a strong brew. 30 x 15 = 450 grams of water needed.
  3. why is the proportion of coffee and water important

    It is a simple concept but with many nuances: the more coffee you use in your preparation, the stronger it will taste. but adding more coffee won’t necessarily get you the desired flavor. Although it is one of the main contributors to the production of quality coffee, it is not the only consideration.

    what other factors affect the readiness ratio and strength?

    Along with the ratio, grind size and brew time have the biggest impact on the outcome of your coffee. the ratio determines how much coffee is brewed, but the size of the grind affects the amount of soluble material that dissolves over the brew time. the goal is to hit all of your variables to produce a well-balanced and satisfying cup of coffee.

    See also: How to use a french press for one cup of coffee

    learn more: how to grind coffee beans

    what gadgets do you need to get the perfect brew ratio?

    A simple kitchen scale is a necessary tool for any home coffee maker. it is more accurate than a scoop because scoops weigh by volume, while a scale weighs by weight. Without a scale, you’ll have a hard time building consistency as you won’t be able to precisely control variables like the ratio of coffee to water. We recommend a scale like the one from hario, as it is a digital scale that weighs 1 and 1/10 grams for exact accuracy and has a built-in timer.

    how to measure coffee beans

    1. tare: place a small bowl or something similar on your scale and tare it. taring simply means that you are resetting the scale to zero so that the scale is not also weighing the bowl, allowing you to weigh just the coffee beans.
    2. fill: we always weigh whole grains, not ground. that way we only prepare freshly ground coffee and there is no waste.
    3. measure: add your coffee until you reach the desired amount.
    4. ratios by types of coffee

      drip coffee (normal, strong)

      For your home brewer, we recommend a 17:1 water to coffee ratio. this translates to about 10 grams of coffee per 6 oz cup of coffee.

      For a stronger cup of coffee, use a 15:1 water to coffee ratio.

      learn how to brew better with a coffee maker.

      french press

      For the French Press, we recommend a water to coffee ratio between 16:1 and 12:1, depending on how strong you want your brew.

      learn how to prepare a french press.


      See also: Bắt Trend Ngay Cùng Top 7 Quán Cafe Game Hà Nội

      For espresso, we recommend a 2:1 water to coffee ratio. this produces a very concentrated amount of coffee.

      Learn more about preparing espresso.


      for pour overs like hario v60 or kalita wave, we recommend a 16:1 or 15:1 water to coffee ratio if you prefer a slightly stronger cup.

      learn to master pouring.

      cold beer

      brewing a cold brew concentrate allows you to store a smaller amount of liquid and dilute to taste. for cold brew concentrate, we recommend a 5:1 water to coffee ratio. when ready to drink, dilute by doubling the volume or to taste. pro tip, dilute with milk for a creamier drink.

      As you perfect your golden ratio for coffee, selecting the right coffee beans can enhance your experience. Take a look at our selection of expertly roasted coffee beans.

      you may also be interested in:

      See also: The 10 Best Green Coffee Beans You Can Buy Unroasted 2022

      • coffee cupping: a step-by-step guide
      • what is the difference between light, medium and dark roast coffee
      • how to enjoy black coffee

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