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French press grind size

French press grind size on a Kinu M47 Classic

For French press on a Kinu M47 Classic, start at 5.5. That is about 900 µm, a medium-coarse grind.

Kinu M47 Classic setting for French press5.5Medium-coarse grind, ~900 µm
Finer 5.3Coarser 5.7Step size 16.5 µm

Adjusting from 5.5

WhenSettingParticle size
Finer: sour or thin cups5.3~876 µm
Start here5.5~900 µm
Coarser: bitter or dry cups5.7~936 µm

Lower numbers are finer. To grind finer, turn the setting down. Change one step at a time, and brew again before changing anything else.

Starting recipe for French press

Steps

  1. Add 30 g of coarse coffee to the press.
  2. Pour 450 g of hot water and start the timer. Do not plunge.
  3. At 4:00, stir the crust gently and skim any foam.
  4. Press the plunger down slowly and pour right away so it stops extracting.
  5. Taste. Sour: steep longer or grind slightly finer. Bitter or silty: grind coarser.

Other brew methods on a Kinu M47 Classic

French press on other grinders

Questions

What grind setting is best for French press on a Kinu M47 Classic?

Start at 5.5 and adjust by taste. Lower numbers are finer. To grind finer, turn the setting down.

How do I know if I should grind finer or coarser?

Sour or thin: steep longer or grind a little finer. Bitter or silty: grind coarser.

Where does this setting come from?

The Kinu M47 Classic is mapped to particle size in microns, fitted from the Honest Coffee Guide's settings for this grinder. It is a starting point, not a guarantee.