How Often Should You Sharpen Your Knives?

Knives eventually get dull through use, which means they either need sharpening or replacement. But what are the time frames of sharpening knives if you use them regularly? And how often should you replace your knives if they dull too quickly?

How often should your knives be sharpened?

There are some general guidelines for sharpening and replacing knives. For a chef’s knife that is used daily, sharpen it every 4 to 6 months. If the blade is still in good condition but just needs a bit of an edge, you can use a knife sharpener regularly (each time you need the knife).

How long should you spend sharpening a knife?

When your knife is still quite sharp, it is ideal to sharpen it. Sharpening the knife will only take a matter of minutes if you do this. If you wait until the knife is extremely dull before sharpening, you will need to invest a lot more time.

Can you sharpen knives too much?

Sharpening your knives every two weeks is a good rule of thumb, but it depends on how frequently you use them. However, it’s your choice whether or not to sharpen the knives you use often. Your everyday, go-to blades should always be sharpened.

If you use a V-sharpener, an electric sharpener, or a coarse diamond stone, it is possible to oversharpen a knife. Knives that are properly cared for should only need sharpening twice a year at most.

Should you wash a knife after sharpening?

Sharpening does need cleaning, but honing doesn’t. An edge may be created by sanding off material on an edged piece of equipment, but this can leave particles.

How often should you replace knives?

Once a year is more than enough for most chefs. Sharpen your knives twice to three times a year if you cook often or if you work in the kitchen professionally. It’s not always the case that your knives will endure a long time, despite the fact that they can. Some knives need to be replaced each year, while others can last many decades of use. Much of this depends on the quality of the knife and how it is used.

Related Questions and Answers

Why are Japanese knives so good?

The steel used in Japanese knives is tougher, thinner, and better able to keep an edge for a longer period of time. The precise activities cooks do all day every day are ideal for these knives, which is why they are so popular among professional chefs.

Do knives get smaller when sharpened?

No, in most cases. Even yet, if significant chips or an incorrectly adjusted bevel are present, it is possible that a visible difference in appearance may result. Don’t sharpen your knife if you don’t want it to become any smaller.

How do pros sharpen knives?

Two primary ways for professionals to sharpen knives are either the WickedEdge system or the Tormek, although there are some exceptions. The Tormek slow wet grinding sharpening method is what some professionals use for the majority of their knives. This system’s wheel can only turn at 90 revolutions per minute. As a part of the procedure, you can employ two Tormek machines.

Can cheap knives be sharpened?

Yes, they can. The steel used in the manufacture of less expensive knives is often of a higher grade than that used in the more expensive blades. As a result of the labor-intensive finishing process required to convert them into superb blades, they are machine ground. It’s at this point that a professional sharpener comes in.

How do chefs keep their knives sharp?

A honing steel is the most popular method of sharpening a knife. They’re just steel rods with a handle for the price of $10 to $30. The rod’s surface is rough, and rubbing a blade over it (at the correct angle) restores the rod’s sharpness.

When should I replace my sharpening stone?

How long it will last is determined by how often you use it. After five to ten years of heavy usage, it will need to be replaced. When used sparingly, it may endure for more than a decade. When your knife is no longer sharpened, it’s time to find a new one.

What is better a full tang or a half tang knife?

Full tang knives are heavier than half tangs, so you can’t expect them to weigh less. Although a partial tang allows for some metal to be incorporated into the handle, it doesn’t have as much solidity as that of a full tang handle.

How often should you sharpen a knife?

This video should provide an answer:

How many kitchen knives do I really need?

A regular kitchen knife set should be enough for most homeowners.

How many years do knives last?

In the right hands, a well-made home kitchen knife may last a lifetime with regular care and usage. It is not uncommon for professional knives to last only a few years before they need to be changed

Is Japanese or German steel better for knives?

On a scale of one to 100, German knives are at around 57, whereas Japanese blades are closer to 60–63. Japanese knives made of tougher steel are more likely to chip or shatter, but they are also more likely to retain their edge.

Should I convert my 20-degree knives to 15-degrees?

20 degrees is the optimal angle to sharpen a knife for heavy-duty tasks like cutting or slicing. The enhanced sharpness of a 15-degree-sharpened small or medium-sized knife may be preferable if you only use it for minor tasks like paring, peeling, or light slicing

Do sharpening steels wear out?

It is impossible to wear out a piece of smooth metal since it is simply a piece of metal. Sharpening “steels” made of ceramic never wear out, although the surface might get clogged with metal particles that have been removed throughout the process. This may be restored to new condition by using a scouring pad to remove the gunk.

Can you sharpen a serrated knife?

They should be sharpened, although serrated knives do not need it very frequently. Most of the work is done by the serrated knife’s keen teeth. When the blade has less friction, it remains sharper longer.

What is the last thing to do after sharpening a knife?

Finish the procedure by honing your knife on a leather strop, which will help you get the best possible edge Frequently strop and polish your knives. This can help you keep your edge in good condition between sharpenings


Although knives eventually wear out like other tools and utensils, they should nevertheless last quite a while with the proper care and sharpening.

The “best way to sharpen a knife” is a topic that many people don’t know much about. There are several ways to sharpen your knives, but the best way is by using a whetstone.

NEXT UP: How Many Strokes To Sharpen a Knife?

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Jack Harrison
About Jack Harrison

JT Harrison is an expert Survival Instructor, focused on wilderness and urban survival techniques. He focuses on survival, prepping, food, water, shelter and other essential steps individuals and families can take to live for long periods outdoors, or in crisis situations. JT has been trekking and climbing for 20+ years in some of the harshest environments in the world. Learn more about JT here or connect with him on Twitter