Chemex Coffee Ratio 1:18

The 1:18 ratio produces a light cup. Here's exactly how much coffee you need for common volumes.

1:18 Ratio Means:

1g coffee for every 18g (ml) of water

Chemex Measurements with 1:18 Ratio

WaterCoffee
8 oz (237ml)13.2g
12 oz (355ml)19.7g
16 oz (473ml)26.3g
24 oz (710ml)39.4g

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