1Zpresso J-Max
- Grind range
- 0–792 µm
- Per click
- ≈8.8 µm
- Adjustment
- 90 clicks
- Brew methods
- 9
At its coarsest it reaches about 792 µm, so Drip / Batch, Chemex, French Press, and Cold Brew sit partly beyond its range.
Settings by brew method
| Brew method | Grind descriptor | Grind size | Clicks |
|---|---|---|---|
| Turkish | Extra fine | 70–150 µm | 8-16.5 |
| Espresso | Fine | 200–300 µm | 21.5-32 |
| Moka Pot | Fine-medium | 300–400 µm | 34-43.5 |
| AeroPress | Medium-fine | 400–700 µm | 42.5-66 |
| Pour Over (V60) | Medium-fine | 450–650 µm | 49.5-67 |
| Drip / Batch | Medium | 600–800 µm | 68-90 |
| Chemex | Medium-coarse | 700–900 µm | 80-90 |
| French Press | Coarse | 900–1200 µm | 78-85 |
| Cold Brew | Extra coarse | 1000–1400 µm | 90 |
About the 1Zpresso J-Max
The 1Zpresso J-Max is a manual hand grinder with 48 mm conical burrs and stepped adjustment. At its coarsest it reaches about 792 µm, so Drip / Batch, Chemex, French Press, and Cold Brew sit partly beyond its range. Each click moves the grind by roughly 8.8 µm.
1Zpresso J-Max — frequently asked questions
Is the 1Zpresso J-Max a manual or electric grinder?
The 1Zpresso J-Max is a manual hand grinder with 48 mm conical burrs.
What grind setting should I use for Espresso on the 1Zpresso J-Max?
For espresso on the 1Zpresso J-Max, start around 21.5-32 clicks — roughly 200–300 µm — then adjust to taste.
How much does each click change the grind on the 1Zpresso J-Max?
Each click on the 1Zpresso J-Max changes the grind by about 8.8 microns, so you can dial in small steps.
What grind sizes can the 1Zpresso J-Max produce?
The 1Zpresso J-Max grinds from about 0 to 792 µm, covering 9 of the brew methods we chart.
Can I copy grind settings from another grinder to the 1Zpresso J-Max?
Not directly — every grinder's scale is arbitrary, so a number that works on one model won't match the 1Zpresso J-Max. Match the micron range instead, using the chart above.