Carlson Knives Logo
Menu
Disclosure
This website is a participant in the Amazon Services LLC Associates Program. We are reader-supported. If you buy something through links on our site, we may earn an affiliate commission at no additional cost to you. This doesn't affect which products are included in our content. It helps us pay to keep this site free to use while providing you with expertly-researched unbiased recommendations.

The Best Knife Sharpeners of 2021

  Updated on 16 October, 2021

Handpicked
Quality-Checked
Generated From 25K+ Reviews!
Bestseller No. 1
Mueller Original Premium Hunting Knife Sharpener, Heavy Duty 4-Stage Diamond Really Works for All...
  • Simple And Fast - Sharpens with 100% fine diamond abrasives, reshapes the angle, evenly sharpens and rejuvenates the...
  • Ideal For Various Knives - With a four stage system, this tool also reshapes every angle of the knife with precision...
  • Safe And Easy To Use - Simply position the dull blade on the sharpening slot and enjoy razor-sharpness in just seconds....
  • Compact Design – Mueller manual knife sharpener was designed with your kitchen in mind. The beautiful yet simple...
SaleBestseller No. 2
SHARPAL 101N 6-In-1 Pocket Knife Sharpener & Survival Tool, with Fire Starter, Whistle & Diamond...
  • 6 FUNCTION: 1. No. 1 V-Notch slot (Coarse CARBIDE)-Quickly set a new edge; 2. No. 2 (Fine CERAMIC)-Hone for a smooth...
  • A portable EDC field tactical knife sharpener with built-in lanyard hole, ideal for hunting, camping, outdoor survival...
  • DURABLE ABRASIVES & SUPERIOR SHARPENING PERFORMANCE: The CARBIDE and CERAMIC abrasives pass 10,000 times field use test....
  • VERSATILE & EASY USE: This pocket knife sharpener not only quickly sharpens very dull or damaged blades, but also hone...
Bestseller No. 3
KitchenIQ, Black 50009 Edge Grip 2 Stage Knife Sharpener, Manual
  • Coarse for dull and damaged knives
  • Fine for polishing the knife and for quick touch-ups for an already sharp knife
  • Patented Edge Grip feature allows sharpening on the edge of the table or counter top- prevents the tip of larger knives...
  • Compact for easy storage. Carbide blades (Coarse) provide quick edge setting capabilities, and the ceramic rods (Fine)...
Bestseller No. 4
Chef'sChoice Trizor XV EdgeSelect Professional Electric Knife Sharpener with 100-Percent Diamond...
  • CONVERT YOUR KNIVES: Ideal for converting traditional 20-degree factory edges of household knives into high performance...
  • DIAMONDS: Advanced stropping stage and 100 percent diamond abrasives for sharpening straight edge and serrated blades....
  • EASY TO USE: Advanced, patented flexible spring guides for automatic adjustment and accurate control of the sharpening...
  • THREE STAGES: 3-Stage EdgeSelect sharpening system for optimum versatility in providing the perfect edge for each...
Bestseller No. 5
Wicked Edge WE130 - Precision Knife Sharpener
  • MADE IN THE USA. Sharpens a very wide assortment of knives - offers the most versatility. Generation 3 Cam-Lock Vise -...
  • INCULDES: - Coarse 100 Grit / Medium Coarse 200 Grit Diamond Stones Pack. - Medium Fine 400 Grit / Fine 600 Grit Diamond...
  • WIDEST RANGE OF CUSTOMIZABLE ANGLES. Ability to adjust angles independently for asymmetrical grinds. Clamps the widest...
  • CAN SHARPEN BLADES UP TO 15" LONG. Angle Range: 13 to 35 Degrees ( 26 to 70 degrees inclusive). Main angle adjustment in...
SaleBestseller No. 6
AccuSharp Knife & Tool Sharpener - Diamond-Honed Tungsten Carbide Rust-Free Sharpener Quickly...
  • EASY TO USE KNIFE SHARPENER: This is the perfect knife sharpener for chef’s knives, paring knives, serrated knives,...
  • GET A SHARP EDGE IN 10 SECONDS: A sharp blade makes it easier to get work done quickly and safely. The innovative...
  • DIAMOND-HONED TUNGSTEN CARBIDE SHARPENER: AccuSharp sharpening blades are crafted from diamond-honed tungsten carbide,...
  • DEPENDABLE & LONG-LASTING CONSTRUCTION: Most users report an average of five to 10 years between blade replacements....
SaleBestseller No. 7
Chef'sChoice Commercial EdgeSelect Diamond Hone Electric Kitchen Knife Sharpener NSF Approved,...
  • Revolutionary, 3-Stage commercial sharpener with Edge Select lets you choose the edge to match the cutting task
  • Fast! Diamond abrasives and ultra-fine stropping stage For amazingly sharp edges in seconds
  • Comes with rugged sharpening module for 20 degree class knives, detaches easily for cleaning and Sanitizing in sink or...
  • Sharpens all 20 degree class knives, straight edge and serrated—kitchen knives, butcher knives, pocket and sporting...
Bestseller No. 8
Knife Sharpener, 4-in-1 Kitchen Knife Accessories, Easy Sharpening 4-Stage Kitchen Sharpener Helps...
  • Safe And Easy To Use: This is a professional knife sharpener preferred by chefs. Easy to use, put the blade on each slot...
  • 3-Stage Knife Sharpening System: The 1st step sharpening rod repairs and straightens damaged blades before the 2nd slot...
  • Scope Of Application: Effectively use this sharpener for nearly any type of smooth blade. Use on most kitchen knives...
  • Ergonomically Design: The handle is ergonomically shaped for maximum grip, and suitable for both left and right-handed...
SaleBestseller No. 9
4-in-1 Kitchen Knife Accessories: 3-Stage Knife Sharpener Helps Repair, Restore, Polish Blades and...
  • 3-Step Knife Sharpener: With our incredible 3-slot system, we’re revolutionizing the art of knife sharpening! The 1st...
  • Easy to Use: Whether you’re right or left-handed, the ergonomic handle allows you to restore your cooking knives in a...
  • Cut-Resistant Glove Included: At Kitchellence, we put the safety of our customers above all else. Designed with a...
  • Premium Quality: With our professional knife sharpener kit, you don’t have to be a chef to cook like one! Crafted from...
SaleBestseller No. 10
Best Professional Carbon Steel Black Knife Sharpening Steel, 12 Inch
  • 12" Sharpening Steel maintains the edge on knives and extends the life of your cutlery with regular use.
  • Steel rod is made of carbon steel and plated with nickel-chrome.
  • Ergonomic, easy-to-grip polypropylene handle with hanging hole.
  • Wipe clean with a damp cloth.

FAQs: Knife Sharpeners

Can knife sharpeners get dull?

These are difficult and time-consuming, and they require skill and effort. Do-it-yourself sharpening techniques can cause damage to knives and not create durable, sharp edges. A rough stone or ceramic surface can result in a ragged edge. A quality knife's edge does not fade; it simply becomes duller as it folds over itself.

How many times can a knife be sharpened?

Honing can be done repeatedly, even after each use. A small amount of steel is required to sharpen a knife. The frequency of use will determine how often the knives need to be sharpened.

How do I know if my knife sharpener is bad?

Tomato Test: Use a paring knife or chef's knife to slice through a ripe tomato. You can tell if the knife is sharp if it slides through the skin easily. If the knife doesn't slide easily through the skin, you can try sharpening it with steel.

Can you go back and forth on a knife sharpener?

The short answer is that you do what feels most comfortable and best for you. I like to move the blade slowly up and down while moving back and forth. This works well with my inexpensive utility knives. I then finish by edge leading the steel.

Do you push or pull when sharpening a knife?

The right side of your blade should be sharpened. Keep the tip of your knife parallel to the bottom of the whetstone. Push the knife towards the top. Do this by pressing down on the knife with your two fingers. As you pull the blade towards you, release the pressure.

Can you over sharpen a knife?

You can sharpen a knife excessively. You can remove material from a knife and reduce its lifespan by sharpening it too often. If you use the wrong tool or apply too much pressure, excessive removal can be a problem.

Why does my knife get dull so fast?

The knife's steel is much harder than any other material, so the dulling effect on its cutting edge is very minimal. A knife will become duller faster if it comes into contact with harder material.

What do professionals use to sharpen knives?

A honing iron is the best way to sharpen a knife. These tools are inexpensive ($10-30) and are basically steel rods with handles. Scraping a blade across the rod at the right angle will nudge (hone) its edges back in place.

Is there a knife that never needs sharpening?

KNasa Chef Knife is a cutting-edge knife that's twice as sharp and lasts five times as long as any other blade. It is claimed to be the first truly innovative knife in knife manufacturing in more than 200 years.

How long will a knife sharpener last?

You should sharpen your knives once every 1-2 years if you have been honing.

Buyer's Guide: Knife Sharpeners

Knife Sharpener Buyers Guide: What You Need To Know To Pick The Best Knife Sharpener

We learned how to sharpen knives in culinary school. It was embarrassing for us all to run our razor-sharp knives along the whetstones granulated edge. It was a valuable lesson to learn how to keep knives sharp. A dull knife can be dangerous! These are some ways that you might be using your kitchen knives in a way that is not obvious.

There are many different types of sharpeners on the market. All of them can sharpen knives, but some will do it faster and more efficiently than others. Which one is right for you? Our knife sharpener buying guide will help you choose the right one for your kitchen.

Knife Sharpeners

Whetstones

Whetstones are often called Japanese Waterstones or oilstones. They are rectangular, gritty stones that can be activated with water or oil. Some prefer the Japanese Waterstones' synthetic surface (me included), while others prefer the oilstones' natural stone. Both work by sharpening your knife's edge rather than carving a new one. These stones require that your knife be held at the right angle while you run it along with the stone. Before your knife becomes sharp, it may take several passes across the stone.

Manual and Electric Sharpeners

These sharpeners, unlike the stones, use a V-shaped cut notch to carve a new edge in your steel. There are also table-top electric sharpeners, which use a rotating wheel to make the new edge. These sharpeners are extremely efficient and quick because they only require a few passes through them. You don't have to worry about how the knife is held because it has an angle set.

Honing Steel

This is not a sharpener. A honing iron is a long rod with a ceramic coating. A knife can be passed on either end of the rod to straighten bent blades without damaging the metal. A straighter blade is better for slicing! Steel is a must if you own expensive knives. It will keep your blade straight between sharpenings. The rod can be run along with the knife in a matter of seconds. Professional chefs use their honing iron every day.

What You Need to Know Before You Buy a Knife Sharpener

Grit

All knife sharpeners can be used in a variety of grit levels, regardless of their type. The majority of stones are dual-sided. Both electric and manual sharpeners have at least two settings. The amount of metal removed from the knife during sharpening determines the level of grit. For Japanese Waterstones, coarse grit should be used to sharpen knives with nicks and chips. For dull knives that have not been damaged, medium grit (labeled 1000-3000 grit) is used. Fine grit (from 4000 to 8000) can be used to sharpen dull knives that have not been damaged.

Size

When buying a knife sharpener, size is an important factor. The sharpener's size doesn't impact its ability to sharpen, but it does affect how it is stored. Are you able to store a large electric razor? Are you already short on space in your kitchen? Many of the stones and manual Sharpeners can be kept in a drawer. Before you make your purchase, take a look at the dimensions and think about how you will store them.

Time

While most knife sharpeners can do the job, some are faster than others. Professional chef, I don't mind spending five minutes running the knife up and down a whetstone. If this sounds like too much work, you can look for an electric or manual sharpener that requires only a few passes. They will do the same job, but much quicker.

Price

Sharpeners for knives can cost anywhere from $10 to $150. You should consider your budget before you buy the highest-rated sharpener within your price range. You might want to invest in a more durable model if you intend to use it every week or month. You don't necessarily need a high-end model if you only use it to sharpen your knives just before the holidays to prepare them for carving your Christmas Roast or Thanksgiving Turkey.