How to Clean Coffee Grinder


Just like any other device you use in the kitchen, coffee grinders need maintenance, too. One way to ensure that your grinder will remain functional is regular cleaning. That’s why you should learn how to clean coffee grinder.

The cleaning method depends on the type of coffee grinder you use. Blade grinders are much easier to clean while conical burr grinders will really test your patience.

Blade grinders just need a damp towel and – get this – uncooked rice!

Unbelievable, right? It turns out that grinding dry rice can clean every nook and cranny of the device’s interior. Don’t worry about wasting precious rice; you only have to clean your blade grinder when it starts to smell funny.

How exactly does rice clean a blade grinder? Allow us to answer that with this step-by-step method:

  1. Prepare 1/4 cup (20 grams) of uncooked rice.
  2. Add it to the grinder’s hopper.
  3. Grind the rice until it turns into powder.
  4. Throw the powdered rice into the garbage disposal.
  5. Unplug your coffee grinder.
  6. Wipe the interior of your blade grinder with a damp towel.

Conical burr grinders require a lot of washing, brushing, and wiping.

With the complex design of conical burr grinders, it goes without saying that it needs a more meticulous cleaning process. Learn more about it below:

  1. Remove the hopper (if any) and wash it together with the lid.
  2. Set aside the hopper to dry.
  3. Turn on the grinder for a while to get rid of coffee residue from the burrs.
  4. Unplug the coffee grinder.
  5. Remove all rubber or plastic components that always touch the coffee beans.
  6. Wash the components.
  7. Take off the inner burr.
  8. Remove any remaining coffee from the burrs with a stiff brush.
  9. Wipe the burrs with a clean, dry cloth.
  10. Wait until the washed components are completely dry before reassembly.


Even if you’ve completely understood the steps on how to clean coffee grinder, you still have to read the user’s manual. Some coffee grinders are too complicated that they need a special cleaning method. The processes we’ve discussed are only based on the standard design of blade grinders and conical burr grinders.

For other cleaning tips related to coffeemaking equipment, learn how to properly clean an espresso machine! We also want you to indulge as a coffee-lover, so take a look at our tips on how to make the best coffee.