1Zpresso X-Ultra vs Kingrinder K6

The 1Zpresso X-Ultra makes the smaller adjustments (5 µm a step against 8.6 µm), so it gives finer control between settings. Both reach the same grind sizes, just at different numbers.

Side by side

	1Zpresso X-Ultra	Kingrinder K6
Setting format	Click	Click
Finer direction	Lower numbers	Lower numbers
Smallest adjustment	5 µm	8.6 µm
Steps from espresso to French press	129	76
Espresso setting~250 µm	0.5.0	0.30
Moka pot setting~350 µm	1.0.9	0.42
AeroPress setting~450 µm	1.2.9	0.53
V60 setting~560 µm	1.5.1	1.06
Chemex setting~700 µm	2.1.9	1.22
French press setting~900 µm	2.5.9	1.45
Kalita Wave setting~600 µm	1.5.9	1.11
Cold brew setting~1100 µm	3.3.8	2.09
Siphon setting~650 µm	2.0.9	1.16

This compares how the grinders adjust, not build quality, burr type or price. Settings come from one shared particle-size scale fitted from the Honest Coffee Guide and are a starting point.

Convert between them

Questions

Which grinder has finer adjustment, the 1Zpresso X-Ultra or the Kingrinder K6?

The 1Zpresso X-Ultra makes the smaller adjustments (5 µm a step against 8.6 µm), so it gives finer control between settings. Both reach the same grind sizes, just at different numbers.

Can I use the same setting on both?

No. A V60 grind is about 1.5.1 on the 1Zpresso X-Ultra and 1.06 on the Kingrinder K6.