Calculate exact coffee-to-water ratios for 6 brew methods, or scale 15 café drinks from a single cup to a full batch.
Choose your brew method and target yield for precise bean measurements, or pick a café drink and scale it for any number of servings. All math is instant.
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Select a brew method or café drink to see the calculated recipe here.
Always weigh your coffee beans *whole* before grinding to account for natural retention loss inside the grinder.
Common questions about brew ratios, café drinks, and coffee measurements.
The ratio is 1 part coffee to N parts water by weight. A 1:15 ratio means 1 gram of coffee for every 15 grams (or ml) of water. So 250ml of water requires 250 ÷ 15 = 16.7g of coffee beans. This is the industry standard for most pour-over methods.
Select your café drink (e.g. Cappuccino), then enter the number of guests in the target servings input. The tool multiplies every ingredient in the 1-serving baseline by that number. For example, 4 servings of Cappuccino gives you 240ml espresso, 240ml steamed milk, and 240ml foam.
The French Press (1:12 ratio) is the most forgiving for beginners — it uses a coarse grind and doesn't require precise pouring technique. The AeroPress (1:14 ratio) is also very forgiving and makes excellent coffee with minimal effort. Both are far more forgiving than a V60 pour-over.
Different brew methods extract flavor best at different temperatures. Pour-overs and espresso use 93°C for bright, clean extraction. French Press uses 94°C for a fuller body. AeroPress uses a cooler 85°C to reduce bitterness. Cold brew uses cold water over 12-24 hours instead of heat.
Both use 60ml of espresso. A Flat White has 120ml of steamed microfoam (thin, velvety texture with very little foam). A Latte has 240ml of steamed milk with 15ml of foam on top. The Flat White is stronger relative to milk, while the Latte is milder and milkier.
Grinders retain 0.5-2g of ground coffee inside the burrs and chute (called "retention loss"). If you grind exactly 18g, you may only get 16.5-17.5g out. Weighing whole beans first ensures the exact dose you measured ends up in your cup, keeping your ratio precise every time.