Coffee to water ratio chart
Grams of ground coffee for a given amount of water. Find your water amount in the left column and the ratio across the top. 1 ml of water weighs 1 g.
| Water | 1:12 | 1:14 | 1:15 | 1:16 | 1:17 | 1:18 |
|---|---|---|---|---|---|---|
| 250 ml | 20.8 g | 17.9 g | 16.7 g | 15.6 g | 14.7 g | 13.9 g |
| 350 ml | 29.2 g | 25 g | 23.3 g | 21.9 g | 20.6 g | 19.4 g |
| 500 ml | 41.7 g | 35.7 g | 33.3 g | 31.3 g | 29.4 g | 27.8 g |
| 750 ml | 62.5 g | 53.6 g | 50 g | 46.9 g | 44.1 g | 41.7 g |
| 1000 ml | 83.3 g | 71.4 g | 66.7 g | 62.5 g | 58.8 g | 55.6 g |
Which ratio to pick
1:15 to 1:17 suits most filter coffee. 1:12 to 1:14 is strong, close to what many people like in an AeroPress. 1:18 is light.
Methods differ in how much water the grounds hold back, so the cup you get is a bit smaller than the water you pour. The method pages give a starting ratio and steps for each one: