Stovetop / electric percolator

A pot that repeatedly cycles boiling water up a tube and over a basket of coffee. Dominant in American kitchens until drip machines arrived; strong, hot and prone to over-extraction.

Percolation

Ratio
1:15.4to 1:20.0
Temperature
95–100°C
Time
6–10 min
Grind
Coarse

How it works

Cut away, step by step
Colour in the knobshows the strength
5:48

Perk 6-10 minutes, watching the colour in the glass knob

Parameters

Working ranges
Ratio, coffee to water
1:15.4 to 1:20.050–65 g per litre
Dose
30–60 g
Water
500–1,200 ml
Water temperature
95–100 °C203–212 °F
Contact time
6–10 min
Grind
Coarse
Pressure
Atmospheric
Filter
Perforated metal basket

Ranges are this atlas's summary of common practice, not a standard. Published standards are listed separately below, with their sources.

Where it sits among 29 methods

Temperature 0°100°
Time 10 s25 h
Strength 0 g/L650 g/L

Pale bars are the other methods; strength is grams of coffee per litre of water.

Published standards

Numbers as facts, with their source

No competition or certification body publishes figures for this method.

Origins and brewers

Origins of the method

Year
not published
Where
United States / Europe

Nineteenth-century designs are usually credited to Count Rumford and to Hanson Goodrich's 1889 US patent; not confirmed by a primary source

Brewers

Percolator