Fellow Ode Gen 2 to Timemore Chestnut C3

A V60 grind of about 4.1 on a Fellow Ode Gen 2 is roughly 15 clicks on a Timemore Chestnut C3. Both land near 560 µm, a medium-fine grind.

Fellow Ode Gen 24.1V60 setting

Timemore Chestnut C315 clicksV60 setting

Particle size ~560 µmGrind Medium-fine

Settings by brew method

Brew method	Fellow Ode Gen 2	Timemore Chestnut C3
Espresso~250 µm	Too fine	7 clicks
Moka pot~350 µm	1.9	10 clicks
AeroPress~450 µm	2.9	12 clicks
V60~560 µm	4.1	15 clicks
Chemex~700 µm	5.6	18 clicks
French press~900 µm	7.7	23 clicks
Kalita Wave~600 µm	4.5	16 clicks
Cold brew~1100 µm	9.8	28 clicks
Siphon~650 µm	5	17 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

Timemore Chestnut C3 to Fellow Ode Gen 2

More about these grinders

Questions

Is 4.1 on a Fellow Ode Gen 2 the same as 4.1 on a Timemore Chestnut C3?

No. The two grinders count in different steps, so the same number gives a different grind. 4.1 on the Fellow Ode Gen 2 matches about 15 clicks on the Timemore Chestnut C3.

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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