How To Polish A Knife Like A Pro – A Guide For Sharpening It

how to polish a knife
Written by Robert

Over time you can notice that your kitchen knife loses its sharpness. A recipe calls for its use for pre-cooking preparation but you are unable to get the ideal cuts.

Starting from slicing to carving food, it really requires a handful effort to cut them. And without a sharp knife in the kitchen, there will be no delicate cuts.

No need to worry anymore! In this article, I’m going to share the ways of how to polish a knife like a pro. If you follow these tricks, you can sharpen the scratched or unpolished areas.

Let’s start with a brief introduction on knife-

A Good Kitchen Knife

A quality kitchen knife makes the cutting of fruits and vegetables easy and quick. Today, a variety of knives (available on the market) is intended to be used for multiple purposes.

Depending on your cooking needs, you have to select among the big, large and small knife categories. Some of the commonly used knives include Chef’s, Paring, Utility and more.

Each knife is dedicated to a particular task such as paring knives are used for peeling fruits and vegetables in the kitchen. For cutting meats, you can go with Cleaver.

How To Polish A Knife Blade? – Sharpen It To Get Razor-Like Edge

Many kitchen knife owners tend to focus on files to begin their sharpening process. It is a tool that removes the scratches and helps you in knife polishing.

But there are other individuals who prefer coarse stones over the files for their sharpening needs. And, it is evident that stones provide must better result.

To find the perfect sharpening system, you have to make a wise decision. And, it depends on the water stone grit strategy to restore a knife.

Different Water Stone Grit Strategy:

From very coarse stone to very fine stone, you have to choose a category to clean a rusty knife.

1.Very Coarse Stone

200 grit for removing materials, repairing chips and setting the bevel angle on the knife blade

2.Medium Grit Stone

1000 – 1500 grit for a dull knife to restore its cutting edges. It is quite helpful for polishing a rusty knife blade.

3.Fine Stone

4000 grit category for polishing the cutting edge that makes it sharp

4.Very Fine Stone

6000 – 8000 grit for providing razor-like sharpness. With its use, you can polish a knife blade to a mirror polish on demand.

Let’s check out the method how to polish knife blade using a stone-

Japanese Water Stone – Sharpening A Kitchen Knife At Home

Polishing a knife isn’t a hard task but you need to be patient in the entire process. And, small scratches can easily be removed.

At first, keep the stone on the countertop stable. Now, apply a little water on the surface of the stone before polishing the blade.

Place the scratch area of the knife on the stone and apply pressure such that it creates friction.

Experts also recommend applying of water on the knife blade too before starting the process.

Some Valuable Tips:

The one and only thing that you must keep in mind is the intensity of applied pressure.

Since friction is the prime source of polishing a rusty or dull knife, you have to use medium to light pressure for blades. On the edges, it is advised to use very light pressure.

Also, remember the intensity of pressure will vary with the type of stone you prefer. So, be careful when you polish it in the kitchen. Plus, don’t touch the edge or blade during the process.


Do you have a rusty or blunt knife? Firstly, you have to clean the rust off the blade. A cream cleanser can do this job. It is readily available on the market.

Now, you can go through the sharpening process following by polishing it. If you have queries like ‘how to polish stainless steel knife?’, follow this method.

In case, you want to replace the existing knife. Head on to this link and check the reviews on the top seven kitchen knives before buying it.

Alternative Method – Sandpaper Is A Good Choice

On comparing with the water stone, sandpaper will work for any knife size and shape. At first, wet the sandpaper using water and rinse your knife.

Now, hold your knife using one hand and sandpaper in another hand. Rub the scratches and areas you need to get sharpen using the tool.

You can also place the knife on the countertop and hold it with one hand while rubbing. This enables you to apply pressure on the surfaces in a much better way.


Other than these tools, you can also use whetstone and sharpening stone to polish knives, scissors, razors, chisels and more.

Do you know how to maintain the sharpness for a longer period of time? Follow the below-mentioned procedure of cleaning a knife after every use.

How To Clean A Dirty Kitchen Knife? – The Simplest Way

The best way to clean your good quality knife is washing with soapy water by hand. Be careful that pointed and sharp edges won’t hurt your fingers!

Go slowly and use a sponge or dishcloth on its both sides to clean. Some people also prefer oiling on the knife blade after first wash. Then, they go for second-time wash.

It is recommended not to use dishwasher for cleaning the knife. It may damage the edges and may also reduce its sharpness.

Bottom Line

As you already get to know how to polish a knife and how to maintain it, there will be no more troubles. Use the ideal tool for cleaning and polishing your knife for enjoying its long service!

No doubt, this also extends its lifespan in the kitchen. It means whenever you expect a mirror finish kitchen knife, you have the solution. Hopefully, you can now resurface it with confidence.

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About the author


Robert is a food enthusiast and a critique. He works as a head chef in a popular food joint at Cherry Hills, NJ. In his free times he likes to visit popular food forums and also contribute for Food Gear magazine. In his articles he shares his experiences with us.

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