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Coffee Brew Calculator

Pick your brew method and how much coffee you want — we'll give you the exact grams of coffee and water to weigh out. Consistency is the secret to a great cup, and it starts with the right ratio.

Prefer an app? Get Brew Assist: Coffee Calc free on your iPhone — the same calculator, always in your pocket.
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1 · Brew method
2 · How much?
500 g water≈ 2 cups
3 · Strength
Mild
Standard
Strong
31 g
Coffee (ground)
≈ 6 tbsp
500 g
Water
1:16 ratio
Brew timer
0:00

Standard coffee-to-water ratios

A "ratio" is just parts water to one part coffee. 1:16 means 16 grams of water for every 1 gram of coffee. These are the starting points baristas use — dial up or down to taste.

MethodRatioGrind
Pour-Over / Drip1:16Medium-fine
French Press1:15Coarse
AeroPress1:14Medium-fine
Cold Brew (concentrate)1:8Coarse
Espresso1:2 (18 g in → 36 g out)Fine

Making espresso? It's measured by dose and yield instead of water volume — see our how to make espresso at home guide for the full method.

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