Hario Skerton Pro to 1Zpresso JX-Pro

A V60 grind of about 3 clicks on a Hario Skerton Pro is roughly 3.0.2 on a 1Zpresso JX-Pro. Both land near 560 µm, a medium-fine grind.

Hario Skerton Pro3 clicksV60 setting

1Zpresso JX-Pro3.0.2V60 setting

Particle size ~560 µmGrind Medium-fine

Settings by brew method

Brew method	Hario Skerton Pro	1Zpresso JX-Pro
Espresso~250 µm	1 clicks	1.3.3
Moka pot~350 µm	1 clicks	1.9.1
AeroPress~450 µm	2 clicks	2.4.2
V60~560 µm	3 clicks	3.0.2
Chemex~700 µm	4 clicks	3.8.1
French press~900 µm	5 clicks	4.9.0
Kalita Wave~600 µm	3 clicks	3.2.3
Cold brew~1100 µm	6 clicks	6.0.0
Siphon~650 µm	3 clicks	3.5.2

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

1Zpresso JX-Pro to Hario Skerton Pro

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Questions

Is 3 clicks on a Hario Skerton Pro the same as 3 clicks on a 1Zpresso JX-Pro?

No. The two grinders count in different steps, so the same number gives a different grind. 3 clicks on the Hario Skerton Pro matches about 3.0.2 on the 1Zpresso JX-Pro.

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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