Brewio Tools

Coffee Ratio Calculator

Pick a method, type in what you have, and get the number you're missing. Every method carries its own ratio — the one Brewio uses in the app.

V60 Pour Over ratio 1:15 coffee : water
Stronger Weaker
g
g

Edit either box — the other updates to match the ratio. Water in grams is the same as millilitres, so a scale and a jug agree.

Grind Medium-FineSimilar to table salt

Ratio reference for every method

Starting points, not rules. Ratio sets strength; grind and time set extraction. If a cup tastes thin, go stronger before you go finer.

Method Ratio Example Grind
V60 Pour Over 1:15 15g → 225g water Medium-Fine
AeroPress 1:14 15g → 210g water Medium-Fine
French Press 1:14 15g → 210g water Coarse
Chemex 1:16 15g → 240g water Medium-Coarse
Moka Pot 1:10 15g → 150g water Fine
Espresso 1:2 18g → 36g out Extra Fine
Cold Brew 1:8 15g → 120g water Coarse
Drip Machine 1:16 15g → 240g water Medium
Freddo Espresso 1:2 18g → 36g out Extra Fine
Kalita Wave 1:16 15g → 240g water Medium-Fine
Siphon 1:15 15g → 225g water Medium-Fine
Ibrik / Cezve 1:10 15g → 150g water Extra Fine

The theory behind it