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How To Sharpen Ceramic Knives? (Explained For Beginners)

Maybe you have a ceramic knife and you love to use it? But do you know how to sharpen ceramic knives? Ceramic knives are very popular among professional chefs and home cook, but it’s hard to sharpen.

It has a super sharp edge which helps a lot for easy cutting and slicing jobs. Even it has some other features which aren’t available with other regular kitchen knives. I would like to say a ceramic knife is great for cutting and slicing jobs, but not ideal for other heavy jobs.

What is a Ceramic knife?

Made of Zirconium dioxide, also known as Zirconia, ceramic knives are a useful tool to have in the kitchen. The knife is called so as the blade is forged out of ceramic. Ceramic knives are produced by dry-pressing and firing powdered Zirconia using sintering in a solid-state. These kinds of knives have a blade that has a hard edge and is more durable compared to the other knives.

Ceramic knives are comparatively harder than steel and other knife-materials. Being durable, nonmagnetic, they even don’t conduct electricity at room temperature. Unlike the traditional knife, a ceramic knife does not need regular honing and sharpening as it can retain its sharpness longer.

What is a Ceramic knife used for?

The ceramic knives are perfect for slicing boneless meat, vegetables, bread, and ice. The blades are perfect for achieving thin slices of food without bruising the fruits and vegetables.

Some of the other benefits of using a Ceramic knife:

  • Do not rust
  • Stay sharper for a longer period as compared to steel knives
  • Doesn’t make food brown; let them stay fresher for longer
  • Doesn’t get affected by acids and juices
  • Doesn’t bruises the soft food items
  • Doesn’t leave a metal-like taste as the steel knives do

Is it possible to sharpen a ceramic knife?

 sharpening ceramic knife

Many people think how can I sharpen my ceramic knife? Can a ceramic knife be sharpened? The differences between the ceramic knife, there are also some positive and negative aspects. Even the ceramic knives perform pretty well for lightweight work like slicing, dicing even mincing. And one of the best features of ceramic knives has a beautiful white blade that provides razor sharpness.

But there are some drawbacks if you compare them with the steel knives. For example, a ceramic knife can’t perform well for harder use like frozen food! But other kitchen jobs can do with fast and easy.

Besides, the weight of the knife is much lower than other knives. So many people work comfortably using this knife. And when your knife gets dull you can easily sharpen it with some tools and techniques I will discuss it below.

How to sharpen ceramic knives? 3 effective methods

There are many tools and methods are available for sharpening chef and other kitchen knives, but only a few methods are effective for sharpening a ceramic knife. I have researched a lot and find out the most effective 3 methods for sharpening a ceramic knife.

If you carefully follow these steps then you can easily make your knife razor-sharp. But never try to sharpen your ceramic knife with the wrong tool which can damage your knife completely. So without delay let’s see which tools and methods are best for sharpening a ceramic knife.

01. Method 1: Use an electric knife sharpener

how to sharpen ceramic knives

Everyone knows the electric knife sharpener is an ideal choice to sharpen any kind of kitchen knife. This sharpening system gives you the best safety than other sharpeners. Most electric sharpeners have a diamond abrasive setting, that will restore your knife’s previous sharpness. Even it will make your knives like a new one.

However, using an electric sharpener is very easy. Simply hold your knife in one hand and hold your sharpener in your other hand. But you have to put the sharpener in a secure place so that it can’t move. And hold the blade in the grinding section and slowly pull backwards against the grindstone.

But never do that more than 4-5 times and finally check the knife sharpness using paper or a tomato. If your knife can easily cut the paper without much effort, that means your knife reached enough sharpness. But if not, so it seems your knife loses the edge, and apply this method again 2 or 3 times.

I recommend the Kyocera Advanced ceramic knife sharpener. Because this sharpener is made especially for handling ceramic knives. And it has a high-quality Diamond #600 Grade grinding stone that can handle up to 0.5mm blade.

02. Method 2: Use a sharpening rod

 sharpen ceramic knives

Maybe this sharpening method is not very convenient as electric sharpeners. But it is really very effective, especially for ceramic knives. Because most ceramic knife sharpening rod made from industrial grade ceramic. And alignment steel which ensures a perfect ceramic knife sharpening. But if you have already Diamond sharpening rods so you can apply them carefully on a ceramic knife.

However, now you have to know how to sharpen ceramic knives with this tool? First, hold the sharpening rod and point down on the surface. Then use your left hand to hold the sharpening handle and your right-hand use to slide/cross against the rod for the first time 90° then 45° for final sharpening.

And 4-7 times slide is enough for both sides. But if you think it’s not getting enough sharpness then you can apply a 22° sharpening angle and it will give your ceramic knife a super-thin edge for effortless cutting.

Even you can check the sharpness through a tomato or paper. However, if you really do not understand how to sharpen ceramic knives using a sharpening rod so check this video.

03. Method 3: Use Work Sharp knife & tool sharpener 

how to sharpen ceramic knife

If you have a lot of ceramic blades or kitchen tools then Work sharp Knife & tool sharpener would an ideal choice for you! Maybe this sharpener isn’t very cheap like other sharpeners. But to be honest, it will handle your all kitchen knives like steel knives, ceramic knives, santoku knives, chefs knife, scissors even any kitchen tools. And this extra sharpening feature hasn’t installed on other sharpening machines.

Maybe you think this is really much complicated to use, but it’s not. The real thing, it is really very easy to operate even it has a great sharpening measuring guard which ensures the perfect sharpening. This machine has a small belt and that has a diamond abrasive micro coating which will make your knives wicked-sharp.

Let’s tell you how to sharpen ceramic knives with this. You just need to lay a towel or a small cloth and put the sharpener on the surface. Finally, insert your ceramic knife into this machine, and hold the sharpener by your one hand and use your other hand to slide.

And slowly slide the blade on the abrasive belt for a maximum 5-6 times. While you sharpen if you look the abrasive belt doesn’t have enough sharpening coating so simply change it and add a new for higher grit.

And continue to slide your blade on both sides until you feel the factory sharpness. Even you can check the sharpness using paper. If the knife cuts the paper easily that means it reached enough sharpness. You can see the video if you don’t understand how to use this machine?

Frequently asked questions

Are ceramic knives dishwasher-safe

Is a ceramic knife better than a steel knife?

Actually, it will depend on your kitchen needs and personal preference. They both are good for kitchen purposes. But ceramic knives are not good for heavy uses like slicing frozen meat. But it is very lightweight and requires low maintenance.

But if you choose steel knives they would be heavy but you can use them for many purposes. But you have to sharpen your steel knives regularly and need proper maintenance. Without good care and maintenance, your steel knives will blunt and rusty very quickly.

Are ceramic knives dishwasher-safe?

Yes, the ceramic knives are 100% dishwasher-safe. Still, it is not recommended to put any knives in the dishwasher as the high-pressure wash and bumping in the machine may cause the knife to chip. Mild detergent along with warm water is sufficient to clean the blades of the ceramic knives.

Are ceramic knives good for cutting meat?

Ceramic knives are “all-rounder” knives. It works excellent with meat, vegetables, and fruits. However, the ceramic knives’ brittleness does not allow it to cut efficiently through meat with bones or frozen meat without chipping off from the edges.


Ceramic knives are very special and rare than other common chef knives. It has a lot of great features and performs very well and you can use these knives for any lightweight use. But the problem is it is a little bit hard to sharpen.

Because the ceramic knife blade does not come from any kind of common materials. So you have to find out the most effective ways for the best sharpening, that will make your knife razor-sharp. However, I hope this ceramic knife sharpening guide helped you a lot, and now you know what is a ceramic knife and how to sharpen it?

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