Brew Lab

Interactive tools that help you brew better coffee. Bookmark this page — you’ll come back often.

Ratio Calculator Cost Calculator Brew Method Calculator

Coffee-to-Water Ratio Calculator

The golden starting point for most filter coffee is around 1:16 (1g coffee : 16g water). Adjust to taste.

320 g
Water needed

≈ 320 ml · about 10.8 fl oz

Coffee Cost Calculator

See how much your daily coffee habit really costs — and compare to café prices.

$0.95
Per cup
$57
Per month
$694
Per year
$2,190
Saved vs $5 café

Brew Method Calculator

Select a method and how many cups you want. We’ll give you starting coffee and water amounts.

15 g
Coffee
250 g
Water

Medium-fine grind · 200°F / 93°C · 3–3.5 min total

These are starting points. Taste is personal — adjust grind, ratio, and time until the cup is delicious to you. A scale is the single best investment for consistency.