How to Hone a Dull Knife

Honing is easier than sharpening, and just as important. Learn how they differ, and how to hone your own knifes at home.

By
J. Kenji López-Alt
Kenji Lopez Alt
Culinary Consultant
Kenji is the former culinary director for Serious Eats and a current culinary consultant for the site. He is also a New York Times food columnist and the author of The Food Lab: Better Home Cooking Through Science.
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Updated September 12, 2023

Many people confuse honing with sharpening, but there is a distinct difference. We've already discussed using a water stone to sharpen a dull knife. When you sharpen a knife, you're actively removing material from the blade, creating a brand new razor-sharp beveled edge.

A chef's knife being honed with a diamond steel.

Serious Eats / J. Kenji López-Alt

The thing about metal is, it's malleable. That means that with regular kitchen use, that thin sharpened edge can get microscopic dents in it that throw the blade out of alignment. Even if the blade is sharp, it can feel dull because the sharp edge has been pushed off to the side, like this:

A diagram showing the cross-section of a sharp blade with a straight edge, and a blade with a bent edge.

Serious Eats / J. Kenji López-Alt

That's where a honing steel comes in. When used properly, a steel will realign the edge of the blade such that the sharpened bit is all facing the right direction. You should steel your knife every time you use it to ensure that you're getting the best edge possible.

When purchasing a steel, look for a heavy model at least 9-inches long. Just like a good knife, a high quality steel will last a lifetime. The ridges may wear out over time, but don't worry—it's still doing its job.

The Honing Steel

A honing steel resting on a cutting board.

Serious Eats / J. Kenji López-Alt

A standard honing steel is made of a rod of steel that ridged along its length. The ridges gently guide a blade back into alignment as you draw the knife over it. A regular steel should be used every day before you use your knife.

The Diamond Steel

A diamond steel resting on a cutting board.

Serious Eats / J. Kenji López-Alt

A diamond steel has a flatter length that is coated in diamond dust. Unlike a regular steel which will straighten a blade but not remove any material, a diamond steel will actually shave off a thin layer of your knife as you use it. It's not great for every day use, but it can extend the working life of your knife between sharpening sessions.

How to Hone a Knife, Step by Step

Step 1: Start at The Heel

Author honing a chef's knife with a honing steel, starting at the heel of the blade.

Serious Eats / J. Kenji López-Alt

Most first-timers find the vertical grip to be easiest. Hold the handle of the steel and plant the tip into your cutting board. Place the heel of the knife against the top of the steel at an approximate 15-20 degree angle.

Step 2: Finish at The Tip

Author has slid the blade down the honing steel, which is now touching the steel near the tip of the blade.

Serious Eats / J. Kenji López-Alt

Applying only light pressure, draw the knife down the steel, using the full length of the steel, and pulling across the full length of the knife, maintaining a constant angle.

Step 3: Begin Second Side

Author proceeds to hone the other side in the same manner, starting at the heel.

Serious Eats / J. Kenji López-Alt

Hold the heel of the knife against the other side of the steel, again at a 15 - 20 degree angle.

Step 4: Finish Second Side

The blade has been swept toward the bottom of the steel, touching it at the tip of the blade.

Serious Eats / J. Kenji López-Alt

Drag the knife blade across the steel until the tip of the knife and the tip of the steel meet. Repeat with both sides until blade is honed—usually about 8 strokes per side.

Using a Floating Hold

Step 1: Start at The Heel

Author uses a diamond steel and a floating grip to hone a chef's knife, starting at the heel.

Serious Eats / J. Kenji López-Alt

For more advanced cooks, a floating hold like this one (shown here with a diamond steel) is faster, and doesn't require using up cutting board space. It is, however, more difficult to control.

Hold the steel out horizontally with your non-knife hand, and place the heel of the blade against the base of the steel.

Step 2: Finish at the Tip

The blade has been slid along the diamond steel and is in contact with it near the tip.

Serious Eats / J. Kenji López-Alt

Pull the knife across the steel, maintaining a 15 - 20 degree angle until the tip of the knife meets the tip of the steel. Repeat on the second side. Your knife should now be perfectly aligned.

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April 2010

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