Timemore Chestnut C2 to Comandante C40 MK4

A V60 grind of about 18 clicks on a Timemore Chestnut C2 is roughly 21 clicks on a Comandante C40 MK4. Both land near 560 µm, a medium-fine grind.

Timemore Chestnut C218 clicksV60 setting

Comandante C40 MK421 clicksV60 setting

Particle size ~560 µmGrind Medium-fine

Settings by brew method

Brew method	Timemore Chestnut C2	Comandante C40 MK4
Espresso~250 µm	8 clicks	9 clicks
Moka pot~350 µm	11 clicks	13 clicks
AeroPress~450 µm	14 clicks	17 clicks
V60~560 µm	18 clicks	21 clicks
Chemex~700 µm	22 clicks	26 clicks
French press~900 µm	28 clicks	33 clicks
Kalita Wave~600 µm	19 clicks	22 clicks
Cold brew~1100 µm	34 clicks	40 clicks
Siphon~650 µm	20 clicks	24 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

Comandante C40 MK4 to Timemore Chestnut C2

More about these grinders

Questions

Is 18 clicks on a Timemore Chestnut C2 the same as 18 clicks on a Comandante C40 MK4?

No. The two grinders count in different steps, so the same number gives a different grind. 18 clicks on the Timemore Chestnut C2 matches about 21 clicks on the Comandante C40 MK4.

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.

More conversions

All grinder conversions