Hand grinder · 48mm conical stainless steel
1Zpresso J-Max
Grind settings chart. Dial: External dial, rotation.number.click from zero (9 numbers per rotation, 10 clicks per number, 90 clicks per rotation). Find zero by closing the dial until the burrs just touch, then count out. 1Zpresso's chart puts AeroPress, moka pot and drip in one shared band.
| Method | Start at | Range | Ratio | Details |
|---|---|---|---|---|
| Espresso | 1.3.0 | 1.0.0-1.6.0 | 1:2 | Full guide → |
| Moka pot | 2.3.0 | 2.0.0-2.6.0 | 1:7 | Full guide → |
| AeroPress | 2.3.0 | 2.0.0-2.6.0 | 1:15 | Full guide → |
| V60 pour over | 3.0.0 | 2.6.0-3.3.0 | 1:16 | Full guide → |
| Chemex | 3.0.0 | 2.6.0-3.3.0 | 1:16 | Full guide → |
| Drip coffee maker | 2.3.0 | 2.0.0-2.6.0 | 1:16 | Full guide → |
| French press | 4.2.0 | 4.0.0-4.4.0 | 1:15 | Full guide → |
Fix the beans too
Great grinder. Now match the beans.
A consistent grinder shows every flaw in stale coffee. Fresh beans on a schedule keep your dialed-in setting from drifting.
Trade CoffeeA quiz matches you to beans from 50+ roasters, shipped fresh on your schedule.Atlas Coffee ClubA single-origin coffee from a different country every month.
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Where these numbers come from
Settings are starting points. Burrs wear, beans differ and two grinders of the same model can be calibrated a step or two apart. Taste, then adjust.