Filter Coffee Recipe Design

Calculators for percolation and immersion methods

Use this calculator to design a filter coffee recipe. This should not be used for automatic drip brewers that start with cold water in a reservoir (batch brewers).

For brewing anything more than 1 litre, we recommend you invest in an auto-drip maker, and use our batch brew calculator.

Design parameters


Slide right for more intensity

Advanced settings

Settings for more advanced users. Leave on default value if unsure.

To make mL of coffee, you will need:

Extraction between 18 to 22% is ideal

Below 18% is under-extracted, and likely to be sour

Over 22% is over-extracted, and likely to be bitter and dry