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Single Bevel vs Double Bevel Knives

Japanese knives are of good quality, to the point expert chefs worldwide use these. These knives come with many looks and use. For now, we will learn about the two bevels of Japanese knives and how these affect the slices.

A bevel is a slanted or angled surface, usually at the edge of a blade. In the context of knives, a bevel refers to the angled surface created when a blade is sharpened. A single bevel refers to a blade with only one angled surface, while a double bevel refers to a blade with two angled surfaces with the same angle on both sides. The angle of the bevel can affect how the knife cuts, with a steeper angle providing a sharper edge, but also making the knife more fragile. The shape of the bevel can also affect the knife's performance, with different bevel forms providing different levels of sharpness and durability.

Single Bevel vs Double Bevel

Blade Bevel

Angle of Single Bevel and Double Bevel

What is a Single Bevel Knife?

A single bevel knife is known as one-sided knife or chisel edge knife, is a knife that is sharpened on only one side of the blade. This type of knife is typically used for tasks such as traditional Japanese sushi and sashimi preparation or for left-handed individuals. The blade's unsharpened side is generally thicker and flatter, which can help guide the knife through certain types of food. Some examples of single bevel knives include a Deba knife, Yanagiba knife, and an Usuba knife. These knives are commonly used in Japanese cuisine, but can also be used for other types of precision cutting tasks.

Single Bevel Knife

What is a Double Bevel Knife?

A double bevel knife, also known as a V-edge or symmetrical edge knife, is a type of knife that is sharpened on both sides of the blade at the same angle. This type of knife is more versatile and is commonly used for a variety of tasks in Western cooking. The angle of the blade on a double bevel knife can vary, affecting how it slices through different types of food. Common examples of double bevel knives include chef's knife, utility knife, paring knife, and serrated knife. These knives are suitable for various tasks such as chopping, slicing, and dicing vegetables, fruits, meats, and fish.

Double Bevel Knives

70 30 Bevel

Is there a difference in slicing with single bevel or double bevel knives?

Single bevel knives are primarily associated with Japanese cuisine. They are traditionally used in Japanese kitchens for specific tasks, such as slicing vegetables, filleting fish, or preparing sashimi. Some common types of single bevel knives include:

Usuba: A traditional Japanese vegetable knife used for slicing and cutting vegetables.

Deba: A heavy knife used for filleting fish and breaking down poultry.

Yanagiba: A long, thin knife for slicing sashimi and other raw fish dishes.

Honesuki: A heavy, triangular knife that breaks down poultry and other meats.

Single bevel knives are less common in Western kitchens but are growing in popularity as more people become interested in traditional Japanese cooking techniques. They can take some getting used to, as the asymmetrical shape of the blade requires a different cutting technique, but they can be a valuable addition to a cook's knife collection for specialized tasks. 

It is not a matter of preference between single bevel and double bevel knives for Japanese chefs. Instead, it is a matter of using the right tool for the right task.

While many traditional Japanese knives are single bevel, some are double bevel. Here are a few examples of double bevel Japanese knives:

Santoku knife: A Japanese all-purpose knife similar to a Western chef's knife.

Gyuto knife: A Japanese chef's knife used for various tasks such as chopping, mincing, slicing, and dicing.

Sujikiri Knife: A long, thin knife for slicing meats, fish, and vegetables.

Nakiri knife: A rectangular knife for cutting vegetables, similar to Usuba, but with a double bevel blade edge.

These Japanese knives are double beveled, making them easier to use and maintain than single bevel knives. They are popular among Japanese home cooks and professional chefs and are also growing in popularity in Western kitchens. Double bevel Japanese knives are well-balanced, sharp, and durable, making them valuable to any cook's knife collection.

Double Bevel vs Single Bevel

Single Bevel vs Double Bevel

There is a difference between slicing with a single bevel knife and a double bevel knife.

A single bevel knife, also known as a chisel edge or bevel edge knife, has only one angled side, which makes it ideal for precise cutting tasks, such as filleting fish, or making clean cuts through thicker, tougher ingredients like carrots, or slicing through hard cheese.

A double bevel knife, also known as a V-edge knife, has two angled sides that converge to a sharp point. These angles make it easier to use for various cutting tasks, as the blade can be used on either side to make right or left-handed cuts. As a result, double bevel knives are generally more versatile and easier to use than single bevel knives, making them a more popular choice among home and professional cooks.

In general, single bevel knives are better suited for specialized tasks that require a high degree of precision, while double bevel knives are a more all-purpose option for general cutting and slicing tasks. Japanese chefs tend to use a combination of both single bevel and double bevel knives, depending on the task at hand. They recognize the unique benefits of each type of knife and choose the one that best fits the job.

Which is better? Single bevel or double bevel knife?

Whether a single bevel knife or a double bevel knife is better depends on your specific needs and preferences.

Single bevel knives are ideal for precise cutting tasks, such as slicing raw fish for sushi or sashimi, or peeling and shaping vegetables in Japanese cuisine. They offer more control and precision in cutting, but require more skill and experience to use effectively.

In conclusion, both single bevel and double bevel knives have their own unique advantages and disadvantages, and the better choice depends on what type of tasks you will be using the knife for and your level of skill and experience. A single bevel knife may be the better choice if you're looking for a specialized tool for a specific task. A double bevel knife is probably a better option if you need a versatile, all-purpose knife.

Single Bevel vs Double Bevel Knives — Frequently Asked Questions

Can a left-handed person use a right-handed single-bevel knife?

Not really — a right-handed single-bevel will steer wrong on every cut. The bevel is sharpened on the right side only, so when a left-hander pushes through food the blade drifts away from the cut line, leaving uneven slices. A yanagiba in the wrong hand is genuinely hard to use for sashimi. Most Japanese makers will produce a left-handed version on request, but they typically cost 30–40% more and have longer lead times because they're made to order. Read our left-handed knives guide before buying.

Everything You Need to Know About Left-Handed Knives
Everything You Need to Know About Left-Handed Knives

Is sharpening a single-bevel really that much harder than a double-bevel?

Different rather than harder, but the learning curve is steeper. A double-bevel uses the same angle on both sides — once you find 12–15 degrees, you alternate strokes and you're done. A single-bevel needs the bevel side ground at the maker's specific angle (often 10–12 degrees) and the back side (the ura) kept flat with only the lightest finishing pass to remove the burr. Get the back wrong and you destroy the hollow grind that makes the knife work. Most home cooks send single-bevels to a professional for the first sharpening to feel the geometry. Our whetstone tutorial covers the double-bevel basics first.

How to Sharpen a Knife Using a Whetstone
How to Sharpen a Knife Using a Whetstone

Why does sashimi specifically need a single bevel?

Two reasons. First, the single bevel's sharpness lets the blade glide through raw fish without crushing the cell walls — the cut surface stays glossy and the texture stays clean, which is the whole point of sashimi. A bruised cut goes cloudy and tastes muddier. Second, the flat ura side has slight surface tension that releases the slice cleanly so each piece falls away from the blade rather than sticking. A double-bevel can cut sashimi in a pinch, but the slices come out thicker and slightly crushed at the edge.

My double-bevel knife seems uneven — has someone sharpened it like a single bevel?

Possibly, but more likely it's an asymmetric double-bevel — sharpened at, say, 70/30 instead of 50/50. Many Japanese gyutos and santokus ship asymmetric on purpose, with more bevel on the right side, because it gives you a hint of the single-bevel feel (cleaner release, slight steering toward the dominant hand) without losing ambidextrous use. Run your finger gently along both sides — if you can feel a clear bevel on both, it's asymmetric, not single-bevel. If one side is dead flat, then yes, someone sharpened it as a single, and reversing that requires removing a lot of steel.

Should my first Japanese knife be single or double bevel?

Double, almost without exception. A single-bevel locks you into one hand, demands a specific sharpening technique, and only does one job well (the deba for fish, the yanagiba for sashimi, the usuba for vegetable detail work). A double-bevel gyuto or santoku does 95% of home cooking and is forgiving while you learn. Save the single-bevel for your second or third knife, once you know what kind of cooking you actually do most. Browse our Japanese knife collection for double-bevel starters.

How to Choose Your First Japanese Knife
How to Choose Your First Japanese Knife

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About the author

Kei Nishida

Kei Nishida

Author, CEO Dream of Japan

info@japanesegreenteain.com

Certifications: PMP, BS in Computer Science

Education: Western Washington University

Kei Nishida is a passionate Japanese green tea connoisseur, writer, and the founder and CEO of Japanese Green Tea Co., a Dream of Japan Company.

Driven by a deep desire to share the rich flavors of his homeland, he established the only company that sources premium tea grown in nutrient-rich sugarcane soil—earning multiple Global Tea Champion awards.

Expanding his mission of introducing Japan’s finest to the world, Kei pioneered the launch of the first-ever Sumiyaki charcoal-roasted coffee through Japanese Coffee Co. He also brought the artistry of traditional Japanese craftsmanship to the global market by making katana-style handmade knives—crafted by a renowned katana maker—available outside Japan for the first time through Japanese Knife Co.

Kei’s journey continues as he uncovers and shares Japan’s hidden treasures with the world.

Learn more about Kei

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