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French press grind size

French press grind size on a 1Zpresso K-Ultra

For French press on a 1Zpresso K-Ultra, start at 1.1.8. That is about 900 µm, a medium-coarse grind.

1Zpresso K-Ultra setting for French press1.1.8Medium-coarse grind, ~900 µm
Finer 1.1.4Coarser 1.2.2Step size 7.7 µm

Adjusting from 1.1.8

WhenSettingParticle size
Finer: sour or thin cups1.1.4~873 µm
Start here1.1.8~900 µm
Coarser: bitter or dry cups1.2.2~933 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 1Zpresso K-Ultra

French press on other grinders

Questions

What grind setting is best for French press on a 1Zpresso K-Ultra?

Start at 1.1.8 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 1Zpresso K-Ultra 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.