1Zpresso J to 1Zpresso K-Ultra grind setting conversion
What a 1Zpresso J setting becomes on the 1Zpresso K-Ultra, as a table — recommended ranges per brew method plus step-by-step values.
Recommended range by brew method
| Brew method | 1Zpresso J Scale | 1Zpresso K-Ultra Rotations |
|---|---|---|
| Turkish | 0.1.2 – 0.8.0 | 0.0.6 – 0.2.8 |
| Espresso | 0.6.2 – 1.4.0 | 0.2.4 – 0.5.0 |
| V60 | 1.5.0 – 2.5.2 | 0.5.3 – 0.9.2 |
| Aeropress | 1.2.0 – 3.5.1 | 0.4.3 – 1.0.0 |
| Moka Pot | 1.3.1 – 2.4.1 | 0.4.8 – 0.8.6 |
| Pour Over | 1.5.1 – 3.4.1 | 0.5.4 – 1.0.0 |
| Siphon | 1.4.0 – 2.9.1 | 0.5.0 – 0.9.6 |
| Filter Coffee Machine | 1.1.1 – 3.3.1 | 0.4.0 – 1.0.0 |
| French Press | 2.5.2 – 4.0.0 | 0.9.2 – 1.0.0 |
| Cupping | 1.7.1 – 3.1.1 | 0.6.1 – 0.9.8 |
| Cold Brew | 2.9.2 – 4.0.0 | 0.9.6 – 1.0.0 |
| Cold Drip | 3.0.2 – 4.0.0 | 0.9.7 – 1.0.0 |
| Steep-and-release | 1.6.2 – 3.0.1 | 0.6.0 – 0.9.7 |
Both ends of the source grinder’s recommended range (manufacturer and community data), converted to the target grinder.
Step by step — pour-over range
| 1Zpresso J Scale | 1Zpresso K-Ultra Rotations | Particle | Zone |
|---|---|---|---|
| 1.9.0 | 0.6.7 | ≈507μm | Moka·Aero |
| 1.9.1 | 0.6.8 | ≈516μm | Moka·Aero |
| 1.9.2 | 0.6.9 | ≈526μm | Moka·Aero |
| 2.0.0 | 0.7.1 | ≈535μm | Moka·Aero |
| 2.0.1 | 0.7.2 | ≈545μm | Moka·Aero |
| 2.0.2 | 0.7.3 | ≈554μm | Moka·Aero |
| 2.1.0 | 0.7.4 | ≈564μm | Moka·Aero |
| 2.1.1 | 0.7.5 | ≈573μm | Moka·Aero |
| 2.1.2 | 0.7.7 | ≈583μm | Moka·Aero |
The bold row is the pour-over baseline; the rest step one notch at a time from it.