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Roastbook Open Coffee Data

Brew methods

Ways of brewing coffee and their usual starting parameters, as a tree from general methods to specific devices. Download brew-methods.json. Column headings link to the field definitions.

Brew methods, indented under their parent method
NameCategoryTypical parametersWikidata
AeroPress
Coffee steeped in a plastic cylinder, then pushed through a small paper or metal filter with a plunger; quick, forgiving and portable.
pressure
Dose
11–20 g (typically 15 g)
Ratio
1:6–1:17 (typically 1:14)
Water
80–96 °C
Time
60–180 s (typically 120 s)
Grind
fine, medium fine, medium
Q381188
Cezve
Extra-fine coffee, water and optionally sugar heated together in a small long-handled pot until it foams, then served unfiltered.
boiling
Ratio
1:8–1:12 (typically 1:10)
Grind
extra fine
Q43022
Cold brew
Coarse coffee steeped in cold or room-temperature water for many hours, then filtered; smooth, low in acidity, often diluted before serving.
cold
Ratio
1:4–1:12 (typically 1:8)
Water
4–22 °C
Time
43200–86400 s (typically 57600 s)
Grind
coarse, extra coarse
Q5142444
Espresso
Finely ground coffee in a portafilter basket brewed with hot water at about 9 bar, giving a small, concentrated drink with crema.
espresso
Dose
7–22 g (typically 18 g)
Ratio
1:1.5–1:3 (typically 1:2)
Water
88–96 °C (typically 93 °C)
Time
20–35 s (typically 28 s)
Pressure
6–10 bar (typically 9 bar)
Grind
fine
Q180289
Lungo, a kind of Espresso
A longer espresso pulled with more water through the same puck, giving a larger, more diluted and often more bitter cup.
espresso
Ratio
1:2.5–1:4 (typically 1:3)
Time
30–45 s
Grind
fine
—
Ristretto, a kind of Espresso
A shorter espresso pulled with the same dose but less water, giving a more concentrated, less bitter shot.
espresso
Ratio
1:1–1:1.5 (typically 1:1.25)
Time
15–25 s
Grind
fine
Q59047
French press
Coarse coffee steeped in hot water in a jug, then separated by pressing a metal mesh plunger down; full-bodied with some sediment.
immersion
Ratio
1:12–1:17 (typically 1:15)
Water
90–96 °C (typically 93 °C)
Time
240–600 s (typically 240 s)
Grind
coarse, medium coarse
Q1147545
Moka pot
Stovetop brewer in which steam pressure in the lower chamber pushes hot water up through a bed of coffee into the top chamber; strong and intense.
pressure
Ratio
1:7–1:10 (typically 1:8)
Time
180–300 s
Pressure
1–2 bar
Grind
medium fine, fine
Q1054566
Neapolitan flip pot
A two-chamber pot heated on the stove and then flipped so the hot water drips through the coffee by gravity.
filter
Grind
medium
Q2541439
Percolator
Boiling water is driven repeatedly up a tube and over the coffee bed, recirculating the brew; tends to over-extract.
boiling
Grind
coarse
Q2342885
Phin
A small Vietnamese metal filter that sits on the cup; water drips slowly through a pressed bed of coffee, often over condensed milk.
filter
Ratio
1:5–1:10 (typically 1:8)
Time
240–360 s
Grind
medium fine, medium
—
Pour-over
Hot water poured by hand over ground coffee in a filter cone or basket, so it drains through the coffee bed into a cup or carafe.
filter
Dose
12–30 g (typically 15 g)
Ratio
1:14–1:18 (typically 1:16)
Water
90–96 °C (typically 93 °C)
Time
120–240 s (typically 180 s)
Grind
medium fine, medium
Q1155703
Batch brew, a kind of Pour-over
Filter coffee made by an electric brewer that heats water and spreads it over a bed of coffee; common in cafés for larger volumes.
filter
Ratio
1:15–1:18 (typically 1:16.5)
Water
90–96 °C (typically 93 °C)
Time
240–360 s
Grind
medium
—
Chemex, a kind of Pour-over
Pour-over in an hourglass-shaped glass brewer with thick bonded paper filters that hold back more oils, giving a very clean cup.
filter
Dose
20–50 g (typically 30 g)
Ratio
1:15–1:17 (typically 1:16)
Water
90–96 °C (typically 93 °C)
Time
210–300 s
Grind
medium, medium coarse
Q5090371
Clever dripper, a kind of Pour-over
A cone dripper with a valve: the coffee steeps first, then drains through a paper filter when placed on a cup, combining immersion and filtration.
immersion
Ratio
1:14–1:17 (typically 1:15)
Water
90–96 °C (typically 93 °C)
Time
150–240 s
Grind
medium
—
Japanese iced coffee, a kind of Pour-over
Pour-over brewed hot directly onto ice, with part of the water replaced by ice, so it chills instantly and keeps aromatics.
filter
Ratio
1:14–1:17 (typically 1:15)
Water
90–96 °C (typically 93 °C)
Grind
medium fine
—
Kalita Wave, a kind of Pour-over
Pour-over in a flat-bottomed dripper with three small holes and fluted wave filters, made by Kalita; the flat bed favours even extraction.
filter
Dose
15–30 g (typically 20 g)
Ratio
1:15–1:17 (typically 1:16)
Water
90–96 °C (typically 93 °C)
Time
180–240 s
Grind
medium fine, medium
—
Melitta filter, a kind of Pour-over
Pour-over in a wedge-shaped dripper with one or few small holes and folded paper filters; the classic household filter method.
filter
Ratio
1:15–1:18 (typically 1:16)
Water
90–96 °C (typically 93 °C)
Grind
medium
—
Origami dripper, a kind of Pour-over
Pour-over in a ceramic dripper with deep folds that accepts both cone and flat-bottom filters.
filter
Ratio
1:15–1:17 (typically 1:16)
Water
90–96 °C (typically 93 °C)
Grind
medium fine
—
V60, a kind of Pour-over
Pour-over in a 60-degree cone with a single large hole and spiral ribs, made by Hario; flow rate depends mostly on grind and pouring.
filter
Dose
12–30 g (typically 15 g)
Ratio
1:15–1:17 (typically 1:16.7)
Water
90–96 °C (typically 93 °C)
Time
150–210 s
Grind
medium fine
—
Siphon
Vapour pressure pushes water into an upper chamber where it steeps the coffee; when the heat is removed, the cooling vacuum pulls the brew back down through a filter.
vacuum
Ratio
1:13–1:16 (typically 1:15)
Water
88–96 °C
Time
60–120 s
Grind
medium, medium fine
Q1704731