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Grinder conversion

Niche Zero to Hario Skerton Pro

A V60 grind of about 0.45 on a Niche Zero is roughly 3 clicks on a Hario Skerton Pro. Both land near 560 µm, a medium-fine grind.

Niche Zero0.45V60 setting
Hario Skerton Pro3 clicksV60 setting
Particle size ~560 µmGrind Medium-fine

Settings by brew method

Brew methodNiche ZeroHario Skerton Pro
Espresso~250 µm0.201 clicks
Moka pot~350 µm0.281 clicks
AeroPress~450 µm0.362 clicks
V60~560 µm0.453 clicks
Chemex~700 µm0.564 clicks
French press~900 µm0.735 clicks
Kalita Wave~600 µm0.483 clicks
Cold brew~1100 µm0.896 clicks
Siphon~650 µm0.523 clicks

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 0.45 on a Niche Zero the same as 0.45 on a Hario Skerton Pro?

No. The two grinders count in different steps, so the same number gives a different grind. 0.45 on the Niche Zero matches about 3 clicks on the Hario Skerton 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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