How to Adjust Your Hario Mini Mill Coffee Grinder

Adjust your Hario like a pro.
Dayne Dayne (57)
2 minutes

The Hario Mini Mill grinder makes an affordable, high quality coffee grinder if you set it up properly. Unfortunately, the directions are not very clear as to how to adjust for the perfect grind.

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Screw adjustment nut all the way down

Remove the bottom canister and screw the adjustment nut as tight as it goes. This serves as a reference for the next step.

hario mini mill adjustment screw

The way to measure your grind is by "clicks" away from all the way tight. You'll feel the nut click as you unscrew, so count the number of clicks. The number of clicks to unscrew should vary based on the brew method you're using. Here's the general guide I use:

Type Number of Clicks
Standard Drip Brew 10 clicks
#2 Pour over 10 clicks
Aeropress 6-8 clicks
Espresso 5 clicks
French Press 12-14 clicks
Moka pot 9 clicks
Chemex 9 clicks

Also if you're looking for the more vague ones:

Type Number of Clicks
Medium fine 8 clicks
Medium 10 clicks
Medium coarse 12 clicks

credit to u/Iwannayoyo for the vague ones

Coffee grind settings for Hario Mini Mill

Use the attached Hario grinding chart to achieve your desired grind.

Not as simple to do as one might imagine.
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