Coffee to Water Ratio Calculator

Enter your brew method and batch size. Get exact dose in grams — no scoops, no guessing.

Quick Reference Ratios

MethodStandard RatioCoffee per 300mlNotes
Drip / Filter1:1618.8gSCA certified range
Pour-Over1:1520gAdjust to 1:14 for stronger
French Press1:1323gCompensates for grounds retention
Espresso (double)1:2 (dose:yield)18g dose → 36g yieldWeigh yield in cup
Moka PotFill basket level~15–20g per sizeDon't tamp, fill level
AeroPress1:12 to 1:1619–25gHighly variable by recipe
Cold Brew1:5 (concentrate)60g per 300mlDilute 1:1 before drinking

For the full ratio guide with method-specific detail, see the Coffee to Water Ratio Guide. For grind size advice, use the Grind Size Diagnosis Tool.

Ratios are based on SCA extraction standards. Taste preference varies — use as a calibrated starting point.