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French press grind size

French press grind size on a Hario Skerton Pro

For French press on a Hario Skerton Pro, start at 5 clicks. That is about 900 µm, a medium-coarse grind.

Hario Skerton Pro setting for French press5 clicksMedium-coarse grind, ~900 µm
Finer 5 clicksCoarser 5 clicksStep size 150.5 µm

Adjusting from 5 clicks

WhenSettingParticle size
Finer: sour or thin cups5 clicks~869 µm
Start here5 clicks~900 µm
Coarser: bitter or dry cups5 clicks~929 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 Hario Skerton Pro

French press on other grinders

Questions

What grind setting is best for French press on a Hario Skerton Pro?

Start at 5 clicks 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 Hario Skerton Pro 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.