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Rancilio

Rocky

Grind settings, every 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 – 55
Burrs
Flat
Filter reference
25
Espresso → filter
20 numbers
Fine · 055 · Coarse
EspressoFine
7.75 – 11.4
Moka potFiner than filter, coarser than espresso
1311.4 – 15.4
AeroPress (short steep)For 1–2 minute recipes
17.815.4 – 21.2
Pour over — V60 / coneThe reference point for most published pour-over recipes
2421.6 – 27
Pour over — flat bottomKalita, Orea and similar
2725 – 29.8
Drip / batch brewAutomatic brewers
2927 – 32.2
ChemexThe thick filter needs a coarser grind to avoid stalling
32.229.8 – 35.4
French pressCoarse
37.735 – 40.7
Cold brewCoarsest setting you have
43.640.7 – 48

A stepped espresso grinder that has been the budget recommendation for a very long time. The 55 steps across 50mm flat burrs are its limitation — for espresso you will sometimes want a setting between two of them and there is not one, and a single step can move a shot by seconds. Twenty of those steps cover espresso through filter, which is more resolution than the fine end usually gets at this price. Two things make it an espresso grinder in practice rather than a general one: changing setting means holding the locking lever while twisting the hopper, and it keeps a couple of grams in the chute, so every switch between espresso and pour over costs you both fiddling and coffee. Most owners pick one end and stay there.

brewmark.io/grinders/rancilio-rockyBrewMark
Rancilio Rocky — Printable Grind Chart