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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.

:

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

:

water

:

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.



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