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- Fellow Opus to Breville Smart Grinder Pro
Grinder conversion
Fellow Opus to Breville Smart Grinder Pro
A V60 grind of about 4.5 on a Fellow Opus is roughly 35 on a Breville Smart Grinder Pro. Both land near 560 µm, a medium-fine grind.
Settings by brew method
| Brew method | Fellow Opus | Breville Smart Grinder Pro |
|---|---|---|
| Espresso~250 µm | 1.25 | 6 |
| Moka pot~350 µm | 2.25 | 15 |
| AeroPress~450 µm | 3.25 | 25 |
| V60~560 µm | 4.5 | 35 |
| Chemex~700 µm | 6 | 49 |
| French press~900 µm | 8.25 | 68 |
| Kalita Wave~600 µm | 5 | 39 |
| Cold brew~1100 µm | 10.25 | 87 |
| Siphon~650 µm | 5.5 | 44 |
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
- Fellow OpusSettings for every brew method
- Breville Smart Grinder ProSettings for every brew method
- Compare themStep size and settings side by side
Questions
Is 4.5 on a Fellow Opus the same as 4.5 on a Breville Smart Grinder Pro?
No. The two grinders count in different steps, so the same number gives a different grind. 4.5 on the Fellow Opus 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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