Interactive tool
Brew ratio calculator
There is no single 'correct' ratio — each method has a sensible range, and taste decides within it. Start at the suggested middle and adjust.
Coffee
16.7 g
Water
250 g
medium-fine grind · Pour-over
Why a range? Lower numbers (more coffee) brew a stronger, heavier cup; higher numbers taste lighter and brighter. Water quality, grind, and roast all shift the sweet spot — treat 1:15 as the starting point for pour-over, not a law.