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coffee to water ratio calculator
a simple guide, calculator, and table generator
Use this tool to calculate how much water and coffee you need to brew a cup—or scroll down for a simple explanation of the ratios.
Choose a ratio
Click a one of the presets below, or write in a custom ratio.
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Choose units
Select units of measurement for coffee and water.
Ground Coffee
Water
one cup of coffee
Your water to coffee ratio for one serving of aeropress is:
coffee
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water
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Tweak your measurement—the changes will be reflected in the table below.
Table Generator
Calculate how much coffee and water you'll need for multiple cups.
Downloadable it as a CSV file—compatible with all spreadsheet programs: e.g. Numbers, Excel
Rows:
| # of Cups | Coffee (g) | Water (g) |
|---|---|---|
| 1 | 15 g | 90 g |
| 2 | 30 g | 180 g |
| 3 | 45 g | 270 g |
| 4 | 60 g | 360 g |
| 5 | 75 g | 450 g |
coffee to water ratios explained
The ratio of ground coffee to water differs greatly between brew methods and personal taste. The ratios on this page are based on a mixture of consensus and official sources.
But, there is no right way—so long as you enjoy your coffee and aren't consuming a dangerous amount!
aeropress coffee to water ratio — 1:6
The ratio of 1:6 is taken from the original recipe by Alan Adler; inventor of the Aeropress. This brew ratio results in a concentrate, much like an espresso—you can add hot water or milk to your liking.
french press coffee to water ratio — 1:12
Although there is no original or definitive coffee to water ratio for a french press, 1:12 seems to be a popular choice. We derived this from a recipe for a 17oz (500g) capacity french press.
v60 coffee to water ratio — 3:50
Hario, the makers of the v60, recommend a ratio of 3:50
—15g of coffee to 250g of water for one full mug.
chemex coffee to water ratio — 1:17
Chemex recommends you “put one rounded tablespoon of coffee per 5 oz cup into the filter cone.” This is roughly a 1:10 ratio, but most people agree that's too strong. Many winning baristas have used a ratio between 1:13 to 1:17.
moka pot coffee to water ratio — 1:10
We derived the ratio of 1:10 from a Bialetti Junior Moka Pot, which has a 200ml water capacity. This serves about 2 small cups of delicious coffee.
cold brew coffee to water ratio — 9:40
There are many ways to make cold brew coffee. This recipe uses a Filtron, a reliable method of making a smooth cold brew. This results in a concentrate that you can dilute to your tastes.
siphon coffee to water ratio — 3:50
Hario, one of the leading producers of syphon coffee makers, recommends 15-17g of coffee per 250 grams water.
espresso coffee to water ratio — 1:2
1:2 is the most common ratio for espresso used in cafés today. Between the bitter 1:1 of a ristretto and the weaker 1:4 of a lungo.