Choosing a kitchen knife: how to find a sharp, durable model for your kitchen

A kitchen knife may seem simple to choose: select an attractive model, check that it looks sharp and pay. In practice, the knife type, finish and maintenance have the greatest impact on how enjoyable it is to use every day. A cheap knife can become blunt quickly, while a large kitchen knife set may take up valuable space without being used.

For home chefs, cooking enthusiasts and professional cooks, these are the main pitfalls to avoid:

• Confusing a sharp marketing claim with lasting sharpness. The sharpness of a new knife says little about how well its edge will hold. The material, sharpening angle, chopping board and maintenance all play a part.
• Choosing the wrong size. A 20 cm chef’s knife offers plenty of cutting surface, but may feel less manoeuvrable when preparing small ingredients. A 16 cm blade is often easier to control.
• Buying a set containing knives you will not use. A knife set with a block can be practical, but check exactly what it contains. Some sets include several steak knives but lack a bread knife, vegetable knife or knife sharpener.

The most important features of a kitchen knife

1. Blade length and knife type

The right length depends on your cutting technique, workspace and ingredients.

• 16 cm: manoeuvrable for herbs, fruit, vegetables and smaller pieces of meat. A good choice if you are looking for a compact kitchen knife.
• 18 to 20 cm: suitable for larger vegetables, cabbage, meat and regular chopping. This size is common for a classic chef’s knife.
• Santoku knife: usually has a wider, relatively straight blade. It is suitable for slicing, chopping and preparing vegetables, fish and meat.
• Cleaver: has a more robust blade and is designed for chopping. Always check whether the model is suitable for bones; an ordinary kitchen knife is not automatically made for this.
• Carving knife: generally longer and narrower, allowing you to slice meat with control.
• Vegetable knife: smaller and manoeuvrable for peeling, trimming and precision work.

A longer knife is therefore not automatically more practical. Consider the tasks you carry out most often.

2. Steel type, hardness and sharpening angle

A stainless steel kitchen knife is popular because the steel is less susceptible to rust with normal use and is easy to keep clean. When buying, check whether the manufacturer specifies the type of steel. For example, the Wüsthof Classic Chef’s Knife and Wüsthof Amici Chef’s Knife are described as featuring X50CrMoV15 stainless steel.

The sharpening angle affects the cutting experience. A smaller angle can produce a finer edge, but it also requires careful use. According to the product description, the 16 cm Wüsthof Classic Chef’s Knife is hand-sharpened to 14 degrees per side. This is a verifiable product specification, not a guarantee that the knife will remain sharp in all circumstances.

Also look out for terms such as ‘damascus’ or ‘DLC coating’. These names describe a material or surface feature, but do not in themselves indicate how long a knife will stay sharp. According to the product description, the Wüsthof Performer model has a DLC coating and a double-ground edge. You should also always assess the size, handle and maintenance instructions.

3. Handle, balance and maintenance

A comfortable handle helps you cut with control. Consider the following:

• Grip: does the handle feel stable and suit the size of your hand?
• Balance: does the centre of gravity sit comfortably between the blade and handle?
• Construction: a full-tang design extends through the handle and is often chosen for its strength.
• Cleaning: hand-washing extends the life of many knives. Always check the product information before putting a knife in the dishwasher.

Use a wooden or plastic chopping board. Glass, stone and metal can damage the edge more quickly. A knife sharpener or honing steel can help with maintenance, but use the tool according to the instructions. A sharpener will not automatically make an unsuitable knife right for every task.

Recommended kitchen knives for different user profiles

Suitable for: Budget-conscious beginners

5five Stainless Steel Knife Set - 13-Piece, Includes Chef's Knife, Bread Knife, Steak Knives

Why it suits this profile: According to the product information, this set contains a chef’s knife, bread knife, steak knives, kitchen scissors, a knife sharpener and a knife block. This gives beginners several essential functions in a single purchase.

How this product avoids the pitfall

The contents are listed clearly, so you do not have to rely solely on a general term such as ‘complete set’.

Main benefit & advantages

13-piece collection, stainless steel knives and wooden knife block. Not dishwasher-safe according to the product information.

Suitable for: Buyers looking for top quality

Wüsthof Amici Chef's Knife - 20 cm, Stainless Steel

Why it suits this profile: According to the product description, this chef’s knife has a 20 cm blade, X50CrMoV15 steel and an olive wood handle. The size is suitable for users who regularly prepare vegetables, herbs and meat.

How this product avoids the pitfall

The product information specifies the steel type, blade length, sharpening angle and hardness, allowing you to compare more effectively.

Main benefit & advantages

20 cm blade, X50CrMoV15 stainless steel, 14-degree sharpening angle and a half bolster according to the product description.

Suitable for: Specific uses & intensive users

Wangmazi Kitchen Cleaver

Why it suits this profile: According to the product information, this model is designed for slicing, shredding and chopping meat and vegetables. It is suitable for users looking for a cleaver-style option alongside a chef’s knife.

How this product avoids the pitfall

Its intended use is described specifically. Do not use it for bones unless the manufacturer expressly permits this.

Main benefit & advantages

Multifunctional design for preparing meat, vegetables and everyday food; hand-washing and drying thoroughly are recommended.

Frequently asked questions about kitchen knives

Which kitchen knife is suitable for everyday use?

A 16 to 20 cm chef’s knife is a practical foundation for many households. Choose 16 cm if you mainly do precision work and prepare smaller ingredients. Choose 20 cm if you often process large vegetables, meat or herbs and have sufficient workspace.

How can I keep a kitchen knife sharp for longer?

Wash the knife by hand, dry it immediately and use a soft wooden or plastic chopping board. Store it in a knife block, protective cover or drawer insert. Only use a knife sharpener or honing steel that is suitable for the sharpening angle and blade type.

Is a kitchen knife set better value than buying individual knives?

That depends on how you use your knives. A set can be practical if you also need a bread knife, steak knives, scissors and a knife block. If you usually cook with just one chef’s knife, an individual stainless steel kitchen knife may be a more targeted choice. Check the contents, material and maintenance instructions before comparing prices.