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  3. Kinu M47 Classic to 1Zpresso JX-Pro

Grinder conversion

Kinu M47 Classic to 1Zpresso JX-Pro

A V60 grind of about 3.4 on a Kinu M47 Classic is roughly 3.0.2 on a 1Zpresso JX-Pro. Both land near 560 µm, a medium-fine grind.

Kinu M47 Classic3.4V60 setting
1Zpresso JX-Pro3.0.2V60 setting
Particle size ~560 µmGrind Medium-fine

Settings by brew method

Brew methodKinu M47 Classic1Zpresso JX-Pro
Espresso~250 µm1.51.3.3
Moka pot~350 µm2.11.9.1
AeroPress~450 µm2.72.4.2
V60~560 µm3.43.0.2
Chemex~700 µm4.33.8.1
French press~900 µm5.54.9.0
Kalita Wave~600 µm3.63.2.3
Cold brew~1100 µm6.76.0.0
Siphon~650 µm3.93.5.2

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

More about these grinders

Questions

Is 3.4 on a Kinu M47 Classic the same as 3.4 on a 1Zpresso JX-Pro?

No. The two grinders count in different steps, so the same number gives a different grind. 3.4 on the Kinu M47 Classic 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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