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  3. 1Zpresso X-Ultra to Wilfa Svart

Grinder conversion

1Zpresso X-Ultra to Wilfa Svart

A V60 grind of about 1.5.1 on a 1Zpresso X-Ultra is roughly 6 on a Wilfa Svart. Both land near 560 µm, a medium-fine grind.

1Zpresso X-Ultra1.5.1V60 setting
Wilfa Svart6V60 setting
Particle size ~560 µmGrind Medium-fine

Settings by brew method

Brew method1Zpresso X-UltraWilfa Svart
Espresso~250 µm0.5.0Too fine
Moka pot~350 µm1.0.92
AeroPress~450 µm1.2.94
V60~560 µm1.5.16
Chemex~700 µm2.1.99
French press~900 µm2.5.914
Kalita Wave~600 µm1.5.97
Cold brew~1100 µm3.3.818
Siphon~650 µm2.0.98

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 1.5.1 on a 1Zpresso X-Ultra the same as 1.5.1 on a Wilfa Svart?

No. The two grinders count in different steps, so the same number gives a different grind. 1.5.1 on the 1Zpresso X-Ultra matches about 6 on the Wilfa Svart.

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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