Pietro (M-Modal Burrs)

Grind settings by brew method

Worked out from this grinder’s own dial curve — five reference points placed on a shared 0–100 grind index, interpolated linearly for flat burrs — rather than a one-size-fits-all chart.

Dial range: 0 – 10
Burrs: Flat
Filter reference: 4.5
Espresso → filter: 4 numbers

Fine · 010 · Coarse

EspressoFine

1.30.5 – 2.5

Moka potFiner than filter, coarser than espresso

32.5 – 3.3

AeroPress (short steep)For 1–2 minute recipes

3.63.3 – 4

Pour over — V60 / coneThe reference point for most published pour-over recipes

4.44.1 – 5.1

Pour over — flat bottomKalita, Orea and similar

5.14.5 – 5.9

Drip / batch brewAutomatic brewers

5.75.1 – 6.6

ChemexThe thick filter needs a coarser grind to avoid stalling

6.65.9 – 7.5

French pressCoarse

8.17.4 – 8.7

Cold brewCoarsest setting you have

9.28.7 – 10

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