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- 1Zpresso JX-Pro to 1Zpresso X-Ultra
Grinder conversion
1Zpresso JX-Pro to 1Zpresso X-Ultra
A V60 grind of about 3.0.2 on a 1Zpresso JX-Pro is roughly 1.5.1 on a 1Zpresso X-Ultra. Both land near 560 µm, a medium-fine grind.
Settings by brew method
| Brew method | 1Zpresso JX-Pro | 1Zpresso X-Ultra |
|---|---|---|
| Espresso~250 µm | 1.3.3 | 0.5.0 |
| Moka pot~350 µm | 1.9.1 | 1.0.9 |
| AeroPress~450 µm | 2.4.2 | 1.2.9 |
| V60~560 µm | 3.0.2 | 1.5.1 |
| Chemex~700 µm | 3.8.1 | 2.1.9 |
| French press~900 µm | 4.9.0 | 2.5.9 |
| Kalita Wave~600 µm | 3.2.3 | 1.5.9 |
| Cold brew~1100 µm | 6.0.0 | 3.3.8 |
| Siphon~650 µm | 3.5.2 | 2.0.9 |
Both grinders are mapped to one particle-size scale, fitted from the Honest Coffee Guide's per-method charts. It is not manufacturer burr-gap data, so treat this as a starting point and adjust by taste.
Go the other way
More about these grinders
- 1Zpresso JX-ProSettings for every brew method
- 1Zpresso X-UltraSettings for every brew method
- Compare themStep size and settings side by side
Questions
Is 3.0.2 on a 1Zpresso JX-Pro the same as 3.0.2 on a 1Zpresso X-Ultra?
No. The two grinders count in different steps, so the same number gives a different grind. 3.0.2 on the 1Zpresso JX-Pro matches about 1.5.1 on the 1Zpresso X-Ultra.
How accurate is this conversion?
It is a starting point. Both grinders are mapped to particle size in microns, fitted from the Honest Coffee Guide charts for each brew method, not from manufacturer burr-gap specs. Beans, roast and burr wear change the result, so adjust by taste.
The coffee tastes sour or bitter after converting. What should I change?
Sour and thin: grind finer by a step or two. Bitter and harsh: grind coarser. Change one thing at a time.
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