At PurelyCoffeeBeans, I’ve answered lots of questions over the years. You’ll find the questions and their answers scattered throughout the site!
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How much water for 100 grams
of fine ground coffee powder?
by Soh from Singapore
How much water should I use for 100 grams of fine ground coffee powder?
Everybody loves their coffee made to perfection as many of us often rely on a cup of coffee to galvanize us into action in the morning. The secret behind a great cup of coffee is the freshness and quality of the coffee itself. But how much water do you need to brew your perfect cup of coffee for a 100 grams of fine ground coffee powder?
What method are you using?
The answer really depends on how finely ground the coffee is, and THAT depends on how you are making the coffee. So the answer will vary. If you are making coffee in a drip pot, then you will easily make 7 cups of coffee for that at about 14g per cup. Fine ground coffee is the most suitable for making the best quality cup of coffee.
For espresso, you’ll probably get only about 3 or 4 small cups of espresso; but that is not likely the kind of coffee you are drinking. The volume of water used in espresso is much lower because the espresso is usually much stronger and destined for use in making cappuccino.
How much water?
Of course, you will need clean water but not particularly pure water. The coffee flavor goes best with some minerals to bind with it and bring out that distinct taste. The method you use to heat the water is up to you to choose from, but remember not to use boiling water if you’re making coffee by hand.
How much coffee?
The finer coffee you grind, the more water will be absorbed by the grounds; expect to ‘lose’ some water due to absorption by the coffee paper, the coffee grounds, as well as some wastage due to water becoming steam. If you don’t have a standard coffee spoon, it’s a good idea to settle on one of these…
For 100g of coffee, you should find that 200ml per cup is okay. So you’ll be looking at about 1.5 liters of water.
To work out how much water to use, here is a simple formula:
( coffee weight in grams / 14.5g ) * 200 ml of water = how many cups of water.
Hope that helps. I would be interested to know how much coffee other people use. Commercial capsules only use 7~10g at most resulting in an unsatisfying cup of watery coffee if you don’t pay attention to how much water is needed.
I typically use an electronic kitchen scale to measure both the coffee and the water used. It helps a lot to standardize my coffee brewing!
For more information and help on how to make coffee, click here!