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Grinder conversion

Niche Zero to Breville Smart Grinder Pro

A V60 grind of about 0.45 on a Niche Zero is roughly 35 on a Breville Smart Grinder Pro. Both land near 560 µm, a medium-fine grind.

Niche Zero0.45V60 setting
Breville Smart Grinder Pro35V60 setting
Particle size ~560 µmGrind Medium-fine

Settings by brew method

Brew methodNiche ZeroBreville Smart Grinder Pro
Espresso~250 µm0.206
Moka pot~350 µm0.2815
AeroPress~450 µm0.3625
V60~560 µm0.4535
Chemex~700 µm0.5649
French press~900 µm0.7368
Kalita Wave~600 µm0.4839
Cold brew~1100 µm0.8987
Siphon~650 µm0.5244

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 Breville Smart Grinder 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 35 on the Breville Smart Grinder 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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