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AeroPress grind size

AeroPress grind size on a Hario Mini Mill Plus

For AeroPress on a Hario Mini Mill Plus, start at 5 clicks. That is about 450 µm, a medium-fine grind.

Hario Mini Mill Plus setting for AeroPress5 clicksMedium-fine grind, ~450 µm
Finer 5 clicksCoarser 5 clicksStep size 63.2 µm

Adjusting from 5 clicks

WhenSettingParticle size
Finer: sour or thin cups5 clicks~423 µm
Start here5 clicks~450 µm
Coarser: bitter or dry cups5 clicks~483 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 AeroPress

Steps

  1. Rinse the paper filter and assemble the AeroPress on a mug.
  2. Add 15 g of coffee and pour 225 g of water, wetting all the grounds.
  3. Stir for 10 seconds, then insert the plunger to stop dripping.
  4. At about 1:30 to 2:00, press gently for 30 seconds.
  5. Taste. Sour: grind finer or steep longer. Bitter: grind coarser or steep shorter.

Other brew methods on a Hario Mini Mill Plus

AeroPress on other grinders

Questions

What grind setting is best for AeroPress on a Hario Mini Mill Plus?

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: grind finer, steep longer or use hotter water. Bitter or dry: grind coarser, steep shorter or use cooler water.

Where does this setting come from?

The Hario Mini Mill Plus 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.