For 8 oz (237 ml) of water, use about 15 g of coffee, roughly 3.0 level tablespoons of ground coffee. That is a 1:16 ratio, our default for chemex.
15 gcoffee
3.0 tbsplevel, ground
237 mlwater
~7.0 ozin the cup
Stronger or milder
| Ratio | Coffee | Tablespoons | Taste |
|---|---|---|---|
| 1:15 | 16 g | 3.2 tbsp | stronger |
| 1:16 | 15 g | 3.0 tbsp | our default |
| 1:17 | 14 g | 2.8 tbsp | milder |
Ratios are coffee to water by weight. A scale makes this easy and repeatable; tablespoons are approximate because grounds vary in density (about 5 g per level tablespoon).
How to brew it
- Grind: medium-coarse.
- Water temperature: 195–205°F (90–96°C).
- Brew time: 4–5 minutes.
- Rinse the thick filter first, bloom for 45 seconds, then pour in stages. The thick paper makes a very clean cup.
Fixing the taste
| If it tastes… | Try this |
|---|---|
| Sour, thin, weak | Grind a little finer or brew longer; or use more coffee (lower ratio number). |
| Bitter, harsh, dry | Grind a little coarser or brew shorter; or use less coffee (higher ratio number). |
| Fine but flat | Use fresher beans, roasted within the last month, ground right before brewing. |
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Take a lookOther chemex sizes
Other methods at 8 oz
French pressPour-over (V60)ChemexAeroPressDrip coffee makerClever DripperCold brew concentrateReady-to-drink cold brewIced pour-over (Japanese method)
Questions people ask
How many grams of coffee for 8 oz of water?
About 15 g at a 1:16 ratio, between 14 g (milder) and 16 g (stronger).
How many tablespoons of coffee for 8 oz in a chemex?
About 3.0 level tablespoons of ground coffee.
What is the best chemex ratio?
Start at 1:16 and adjust between 1:15 and 1:17 to taste.
Numbers on this page are estimates calculated from the assumptions shown. Coffees, beans and drinks vary; caffeine figures are typical values, not medical advice.