What Is a Usuba Knife? How to Use the Japanese Culinary Masterpiece

The Usuba knife is a Japanese vegetable knife that is very popular in Japanese kitchens. And almost all Japanese kitchens have one of those knives. That’s because the knife itself is very beneficial – since it can slice and dice vegetables and fruits with precision and thin cuts.

The Usuba is also called the chef’s knife because the knife is mostly used by chefs for its precise cutting. The knife can cut vegetables and fruits without damaging them. At the same time, it cuts in a way that cell damage of vegetables remains minimum, thus, low oxidization and no change in flavor.

This Japanese Usubablade is also known for its amazing design. It is a single bevel blade that is responsible for its precise cuts and easy slicing. The material used in the knife is also durable, and its handle provides an excellent and comfortable grip.

What Is a Japanese Usuba Knife?

The knife is also known as the UsubaBocho, is a traditional Japanese vegetable knife mostly used in Japanese since it’s the most beneficial vegetable knife around. The knife is known best for its precise cuts and clean slicing as well. The noticeable design of the knife is its single-bevel blade that has one shape edge side, and the other side is flat and has no sharp edge.

Its single bevel is responsible for its easy and precise cutting. On the other hand, the knife has a Wa-style handle that provides a tight grip, which gives a great advantage while cutting with it.

Origin of Usuba Knife

Japanese vegetable cutting is next to impossible without a Usuba. But ever wondered when the knife first originated? Well, the exact time was not documented and mentioned. But Japanese historians believe that the Usuba first appeared during the Edo period, which is 1603-1868. In that time period, Japanese food has gone through a significant change and specialization.

It is believed that Japanese cooking is specialized with some factors in mind, which are no waste of food, presentation of food, and preparing food with precision. And this knife is designed this way so that precise cuts can be made without wasting too much food.

Meaning and Purpose of Usuba Knife

Many knife users only see Usuba as a vegetable knife. But this one has a deep meaning and purpose. And those are:

  • Vegetable Cutting:The main purpose of this knife is to cut vegetables with precision. I can guarantee you no other vegetable knife can cut the way the Usuba does. That’s because its single-bevel blade can make a precise and clean cut with less effort.
  • Presentation:Japanese cooking always keeps in mind that the cuisine that they make is visually appealing. And since vegetables are the most preferred item that they use for cooking dishes, that’s why the Usuba plays a vital role in making visually amazing foods.
  • Specialization:The Usuba is a specialized tool that can be cut with cleanliness and precision without wasting too much. The knife is crafted in a way that no oxidization occurs, and the flavor remains intact, making the food delicious.
  • Traditional Craftsmanship:This knife is the symbol of traditional Japanese craftsmanship. The knife is crafted with the traditional Japanese style in mind. The knife resembles the traditional Japanese Katana.

Breakdown of Usuba knife

This knife is a very specialized tool that is extremely popular not only in Japan but also in other countries. Let’s take a look at why the knife is preferred by all the chefs.”

How Are Usuba Knives Made?

Usuba is crafted with traditional Japanese craftsmanship in mind. The steps involve:

  1. Material Selection: The first step is to select the perfect material for the knife. Generally, high-carbon steel or stainless steel is the most used material in the knife.
  2. Forging the Blade: When the material is selected, the blacksmith uses traditional hammering techniques to make the basic shape of the blade.
  3. Shaping and Beveling: after creating the basic shape, the blacksmith goes further with the shaping and crate bevel. The knife is a single-level knife. Thus, only a single bevel is created on the knife.
  4. Heat Treatment: The knife then goes through intense heating and cooling to achieve the designed hardness and temper.
  5. Handle Construction: The Usuba usually features a Wa handle that is made out of wood. And magnolia is the most preferred wood for crafting the handle for the Usubabocho.
  6. Quality Control: Lastly, the blacksmith makes sure that the knife is high in quality and meets all the standards.

Components of Usuba Knife

Let’s talk about the components of the knife that makes it functional and perfect for precise cuts:

  • Blade: The Usuba features a one-bevel sharp edge blade that is responsible for all the cutting and slicing. The blade is usually crafted with either high-carbon steel or stainless steel.
  • Tang: The tang of the knife refers to the portion of the blade that extends to the handle. Well, there are many knives that are full tang, and semi-tang knives are also can be found.
  • Handle: The part of the knife that users hold while using the knife. The knife basically has a Wa handle that is made out of a Magnolia tree.
  • Bolster: It’s the part that can be found on many Japanese knives. It’s located in between the blade and handle, which provides balance to the knife.
  • Ferrule: It’s a collar or ring that is located in between the handle and bolster. It’s responsible for providing additional strength and stability to the knife.

Characteristics of Usuba Knife

The Usuba possesses these characteristics:

1. Blade Material

The Usuba usually uses high-carbon steel or stainless steel on the blade. Those materials are super strong and durable, to begin with.

2. Blade Length

The knife is generally a long blade that lengths between 165mm to 240mm. That is a very long blade that is suitable for easy and precise cutting.

3. Design

The knife is a rectangular shape blade that has a single bevel for cutting. The knife has one flat side with no sharp edge.

4. Shape

The Japanese wordUsuba literally means thin. That explains the knife shape. The Usuba is a thin knife with a sharp edge that can provide a deep and clean cut.

5. Handle Material

The handle of the knife is responsible for the overall control and grip. The handle is usually made out of wood. Some knives are crafted with plastic handles as well.

6. Handle Shape

Usuba mostly come with a Wa handle that is mostly round. Some knives feature western style handles as well.

Advantages and Application of Usuba

The Usuba has some great advantages and applications, which are:

Cutting Capabilities of Usuba Knife

The Usuba has these cutting capabilities:

  • Slicing: The Usuba can make precise and clean vegetable slices. The knife is suitable for slicing almost all sorts of vegetables, whether it’s soft or firm vegetables.
  • Dicing and Chopping: Dicing and chopping are easy with the knife. That’s because it can even chop and dice any vegetable.
  • Fine Julienne: The thin and sharp edge blade of the Usuba allows users to make fine Julienne cuts with precision.
  • Vegetable Garnishes: The sharp tip of the Usuba allows knife users to make perfect vegetable garnishes.
  • Precise Trimming: The knife’s thin and sharp edge is suitable for precise trimming of vegetables that is effective for preparing vegetables.

Suitability for Vegetable Cutting of Usuba Knife

The Usuba is highly capable of vegetable cutting for its effective and amazing design:

  • Thin and Sharp Blade: The Usuba has a thin and sharp blade that is responsible for precise cutting.
  • Single-Bevel Blade: The knife has a single-bevel sharp edge blade, which means the knife is sharpened only on one side. The single bevel blade allows cutting with precision.
  • Straight Blade Profile: The straight blade profile of the knife makes cutting easy without less effort. And it provides a stable cutting surface as well.
  • Versatile Cutting Techniques: The knife is packed with various cutting techniques that are required for preparing vegetables with precision.

Alternative Use of Usuba Knife

Though Usuba is a vegetable knife, but also has many alternative uses. Some of them are:

  • Fruit Preparation: The Usuba is an excellent tool for preparing fruits for any meal. Its precision cutting will help make visually appealing fruits.
  • Herbs and Leafy Greens: The Usuba is also capable of cutting herbs and leafy greens and preparing them for cooking.
  • Fish Filleting: Knife enthusiasts can use the knife for fish filleting. The single-bevel helps users to remove the skin, and the tip helps to remove the fish bones.
  • Meat Slicing: Another excellent use of the Usuba is meat slicing. The knife can slice meats without too much pressure or complications.

Usuba knife vs. Other Knives

The Usuba knife is one of the most versatile and beneficial vegetable knives. But there are still many knives that are good for vegetable cutting. Let’s take a look at how the Usuba performs with them:

Nakiri vs. Usuba knife

Nakiri and Usuba are both quite similar. But that knife also has many differences are well. Nakiri knives are double-bevel, and both sides of the knife have sharp edges. On the other hand, the Usuba has a single bevel – meaning one side of the knife is sharp.

The Nakiri knife is quite thicker compared to the Usuba. Where the Usuba is a thin blade, the design of the Nakiri is thicker and offers versatility.

Edo Usuba vs Kamagata Usuba

The Edo Usuba knife has a rectangular design with a slightly curved tip. On the other hand, the Kamagata Usuba has a unique shape with a pointed tip. The Edo Usuba is capable of a versatile and wide range of vegetable cutting. However, Kamagata Usuba is perfect for more intricate cutting.

How to Choice the Right Usuba Knife

Despite being a perfect vegetable-slicing tool, it’s not easy to find the right Usuba for your kitchen. You have to consider a few factors, which are:

Blade Type

Usuba is available in different shapes. For example, you will find single-bevel and double-bevel Usuba knives. You just have to decide which shape suits your cooking best.

Blade Material

Generally, the Usuba is crafted with either high-carbon steel or stainless steel. You need to choose the knife according to your preference. If you need hardness, high-carbon steel would be perfect for you. But if you need rust and corrosion-free features, stainless steel is the right choice for you.

Blade Length

Usuba usually has a blade length of around 165mm to 240mm. But expert chefs recommend using a knife that has a blade length of 180mm to 210mm. That’s because that length will help with the precise cutting of vegetables.

Blade Thickness

Thick blades are more durable. But thin blades are more excellent and perfect for precise cuts. And vegetables need precision. So, you should choose a thin blade for clean and precise cuts.


The handle of the Usuba is also mandatory to consider. That’s because it’s responsible for comfort, control, and tight grip. You should consider a round handle that offers a tight grip and great control.


The most important factor when buying a Usuba knife is the price. That’s because a wide range of knives are available in the market at different prices. You just need to compare all the knives and choose one with all the features you prefer with a reasonable price range.

Care and Maintenance

It is important to take good care of your Usuba so that it can last longer. Here’s how you can take good care of your Usuba and maintain it:

  1. Cleaning and Drying: It is mandatory to properly clean your knife. You can wash it with warm water with mild soap. Then make sure to dry the knife with a towel or under the sun.
  2. Sharpening: It is also essential to sharpen the knife. Without proper sharpening, the sharp edge won’t last long. For sharpening the knife, the water Whitestone is a perfect sharpener that will effectively sharpen your knife. Just follow the traditional sharpening method.
  3. Storing: To store the Usuba, you need to make sure it doesn’t come into contact with moisture if it’s made out of high-carbon steel. On the other hand, you also need to store it in a proper knife storing gear.

How to Use a Usuba Knife?

Using the Usuba is not an easy task. It requires skill and practice. There are many things to consider for precise cutting. For instance:

  1. Correct Angle: The key for precise cutting with the Usuba is to hold the knife at the right angle. The angle should be 15 to 20 degrees.
  2. Grip: The knife should be held properly with a comfortable grip so that individuals can use the knife without any issues. A good handle is responsible for a tight and comfortable grip.
  3. Push Cutting Technique: The most effective cutting technique with the Usuba is the push cutting technique. You just have to push the knife and pull it when the slicing is done. It will provide you with precise and clean cuts.
  4. Specific Vegetable Cutting Styles: The Usuba can cut all sorts of vegetables. And it’s compatible with all sorts of cutting techniques for all sorts of vegetables.
  5. Safety Precautions: Before using the Usuba, you need to make sure that you have followed all the safety precautions. That’s because the knife is extremely sharp, and you can hurt yourself.


What is a Usuba knife?

The Usuba is a Japanese vegetable knife that has one bevel and a sharp edge for precise cutting.

What does Usuba mean?

The Usuba means thin; thus, the knife refers to a thin knife that can provide clean and precise cuts.

What is the Usuba knife best for?

Usuba is best for vegetable cutting and slicing as well as dicing, chopping, and precise and clean cuts.

What are the common types of Usuba knives?

The two most common types of Usuba knives are; Edo Usuba and Kamagata Usuba.

What are popular Usuba knife brands?

Some of the most popular Usuba brands are:

Which steel should I choose for my Usuba knife?

Stainless steel would be the perfect material for a Usuba. That’s because it will protect the knife from rust and corrosion.

What is the best handle for a Usuba knife?

Traditional Japanese handles are best for Usuba knives.

What is the perfect length for a Usuba knife?

The perfect blade length for a Usuba is 180mm to 210mm.

How do I care for my Usuba knife?

Just wash the knife and dry it properly. Then sharpen the knife when needed and store the knife in a secure place.

Should I buy a Usuba knife?

Yes. If you eat vegetables often, you should get the Usuba for easy slicing and dicing.

Where can I buy a Usuba knife?

You can buy a Usuba from your local supermarket. Or you can order the knife from an online retailer, such as Amazon.

How do you sharpen a Usuba knife?

You can use water Whitestone to sharpen your Usuba.


The Usuba knife is the best vegetable knife that can provide precision and clean cutting. The knife is single-level that helps in slicing and dicing vegetables. However, the knife is known for its effective vegetable cutting without damaging the flavor and vegetables in the process of cutting.

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