Best Knife Sharpener 2021

Getting the best electric knife sharpener may seem like an easy task, but it certainly isn’t, there are certain factors to consider before getting the best knife sharpener.

In this guide, we would show you how to select the best electric knife sharpener and even go a step further to show you the best electric knife sharpeners. If you are interested in getting yourself the best knife sharpeners, you should read through this guide.

WHAT IS AN ELECTRIC KNIFE SHARPENER?

Sharpening a knife with an electric sharpener is a little different. Electric sharpeners typically sharpen in 3 stages with diamond abrasives as opposed to using a whetstone. They also have guides to ensure that your knife will be evenly sharpened along its entire length.

They can remove chips as well as sharpen various types of knives, including serrated edged knives. It is important when using an electric sharpener to let it do the work for you and to not press hard on the knife for proper operation.

Electric sharpeners will need periodic cleaning to remove metal shaving but are otherwise low maintenance.

There are many different types of electric knife sharpeners out there, but when it comes to achieving the very best edge retention, there’s nothing better than the best electric knife sharpener that money can buy.

The main reason this is true is because of the speed and precision of gaining the sharpest edge possible that an electric knife sharpener can provide versus a manual sharpener or whetstone.

Many would think an electric knife sharpener would be for kitchen knives but they also can sharpen pocket knives, swords, axes, and garden tools.

Anything that needs to be sharpened with an edge. Some models also can sharpen serrated knives like bread knives and steak knives.

How often should you sharpen your knife?

If your knives at home get a normal amount of use as any other family when preparing food at home than the general rule of thumb is about 2 or 3 times a year. If you think your knife is becoming dull and soft then, by all means, sharpen the knife.

But you should not need to use an electric knife sharpener every time you use your knife. Most knives will hold an edge for a long time and may never need to be sharpened but the cheaper knives will need to be sharpened a little more often than others.

If you work in a kitchen and the knives get used constantly all day by multiple people, then this will be a little different.

Depending on the quality of the knife and the usage it should be somewhere between 2 weeks and 2 months to sharpen the knife on an electric knife sharpener. A better way to hone your knife’s edge before using every day would be to use a sharpening steel. This tool redefines the knife’s edge.

ELECTRIC KNIFE SHARPENERS BUYER’S GUIDE

Size of the unit

The size of your knife sharpener is important. The size of the unit needed depends on the space available and your particular knife sharpening needs.

While a larger unit may offer more features, a small compact sharpener will save precious counter and storage space. Most units available take up about as much space as a toaster or blender.

Number of knife blade slots

Multiple blade slots often indicate a multi-step sharpening process. The first stage may involve grinding the blade on a hard and abrasive surface. The second and third stages involve smoothing and polishing the blade.

While a unit with just one slot is perfectly functional, a unit with a multi-step system is ideal for sharpening may different types of knives. Various slots may also provide for different angles at which to sharpen knives. Certain knives may only be sharpened properly at a specific angle.

Exterior conformation

Electric knife sharpeners come in all shapes and sizes. The shape and structure of your sharpener can be important. A handle or grip on one side can provide for ergonomic comfort during sharpening. Some units also have a non-slip base for added safety.

Intended use (home or commercial)

The type of electric sharpener you purchase significantly depends on how you intend to use it. A commercial knife sharpener may be of higher quality and offer more features, but it may also be more expensive. A unit intended for household use may offer fewer features but will be less expensive.

Warranty

Many manufacturers offer warranties for their electric knife sharpeners. These warranties ensure that if there is any defect with the product you can have it repaired at no cost. Most warranties are about three years for household units.

Price

The price of a unit can vary greatly. A decent electric knife sharpener can cost anywhere between $15 to $20 on the low end, and from $150 to $200 on the high end.

Units on the lower end of the price spectrum are most likely more suitable for household needs, while the more expensive units are intended for a commercial or professional setting. The price you pay depends on your specific knife sharpening needs.

Although the first electric knife sharpening units to fill kitchens in the United States and many other countries proved somewhat pricey, costs have fallen as the invention gained wider popularity. Many early electric knife sharpening machines now appear strikingly “retro” in style.

BEST ELECTRIC KNIFE SHARPENER

NAMES FEATURES WHERE TO BUY
Chef’sChoice 15 Trizor XV EdgeSelect

B0018RSEMU

3-year limited warranty

3 stage sharpening system

Easy to use

Able to sharpen serrated knives

GET IT ON AMAZON
Work Sharp Ken Onion Sharpener Tool

B07CW4T6RS

Sharpens All Types of Knives

Angle Adjusts From 15 to 30 Degrees

New Variable Speed Motor

Includes 5 Belts

GET IT ON AMAZON
Presto Professional Electric Sharpener

B000TYBWJ0

3-stage-sharpening

Blade thickness adjustable

1-year warranty

Versatile & durable

GET IT ON AMAZON
Chef’sChoice 1520 AngleSelect

B001CA5LZ6

Multi-stage electric knife sharpener

Great versatility – sharpens kitchen and outdoor knives

Produces both 15Á and 20Á edges to accommodate a wide range of blades

Sharpens fine, serrated, single bevel, and Deba-style blades

3 year limited warranty

GET IT ON AMAZON
Chef’sChoice 120 EdgeSelect

B00004S1B8

Suitable for straight & serrated blades

Works very fast

100 % diamond abrasives

3-year warranty

GET IT ON AMAZON
Work Sharp Wood Tool Sharpener

B000PVHIMW

Sharpening port lapping surface features “plunge-pull” sharpening technique

Sharpening port abrasive increases burr removal and speeds sharpening

Adjustable top tool rest makes freehand sharpening easier and more precise

The T-slot mounting system lets you mount the top tool rest and other accessories

GET IT ON AMAZON
SunrisePro Supreme Knife Sharpener

B00RW7OYCO

3 SWIPES TURN DULL KNIVES SHARP

DELIVERS PRECISION EDGE IN 2 SECONDS

SAFE & EFFORTLESS

GET IT ON AMAZON
EdgeKeeper Electric Knife Sharpener

B0775R9L9W

Diamond-coated wheel

Easy-to-maintain

Affordable

Non-slippery bottom

Compact size

GET IT ON AMAZON
Shenzhen Electric Diamond Sharpener

B00S0BEUIY

Great for ceramic or steel knives

Has a removable cartridge

2 diamond abrasive stones

Versatile

GET IT ON AMAZON
Work Sharp Culinary E5 Kitchen Knife Sharpener

B074JJ594L

High safety-driven belts

Comes with honing rod

One-touch operating system

2-level sharpening system

GET IT ON AMAZON

Chef’sChoice 15 Trizor XV EdgeSelect

B0018RSEMU

This is set at 15 degrees, and it’s meant for double-bevel or single-bevel 15-degree class knives. You can also use it to convert your 20-degree knives to 15 degrees so that they cut more effectively and last longer too.

This uses a 3-stage process that doesn’t remove too much metal from your knives, so it can help your knives last longer. The first two stages use diamond abrasives, while the third stage uses a flexible abrasive stropping disk for a smooth and sharp cutting edge.

This third stage stropping disk can also be used to sharpen your serrated knives too. This means you can also use it for your bread knives.

PROS CONS
The machine can sharpen any type of blade including serrated blades The machine is not able to be calibrated or have any adjustable levels of speed or angle degree.
Come with 3 different levels of sharpening: grinding, honing and polishing
Comes with a 3-year warranty to protect it

Work Sharp Ken Onion Sharpener Tool

B07CW4T6RS

The Work Sharp Ken Onion Edition Knife and Tool Sharpener expand on the best-selling Original Knife and Tool Sharpener with more power, more flexibility, and more control as specified by legendary knife maker Ken Onion.

PROS CONS
The belts last for a long while because it keeps exposing new cutting surfaces. It can get a bit messy with the shavings.
It’s easy to adjust the angle. There’s no need for extra tools or jigs.
It’s so good and easy to use that sharpening all your knives and blades seems like fun and not a chore.

Presto Professional Electric Sharpener

B000TYBWJ0

This is an easy, 3-stage sharpener that enables professional results at home-it’s great for kitchen knives, sports knives, and even Santoku ones.

To optimize the sharpening angle, you adjust the blade thickness selector-for example, medium for chef’s knives, thick for hunting ones, and thin for lighter blades like those of paring or fillet knives.

The extra-fine grit from ceramic will fine-hone the blade and make it razor-sharp. And, it’s so simple to use-you just draw the knife through each slot several times. With this product, you can shop without a worry on your mind- it comes with a one-year limited warranty.

PROS CONS
The machine is very affordable and very easy to use without any calibration needed The machine is made of flimsy plastic which may cause safety issues.
The grinding stones can be changed in and out for extra course or extra-fine
Comes with a 3-stage sharpening system: grinding, honing and polishing

Chef’sChoice 1520 AngleSelect

B001CA5LZ6

Keep your knives razor-sharp and ready for cutting action with the Chef’sChoice® Model 1520 AngleSelect® Diamond Hone® Electric Knife Sharpener. Designed to handle both kitchen and outdoor knives, this versatile sharpener restores and recreates both 15Á degree edges for Asian-style knives and 20Á edges for European and American-style cutlery. Featuring precise knife guides that automatically position the knife for proper sharpening, this system sharpens fine- and serrated edge knives, Santuko single bevel edges, and thicker Deba style blades

PROS CONS
There’s a 3-year warranty. It’s useless for your scissors too
It’s easy to use and you get done very quickly You can’t use this for ceramic knives.
The instruction manual is also very well written, which isn’t always the case for these things.
The results are exceptional,

Chef’sChoice 120 EdgeSelect

B00004S1B8

This 3-stage premium sharpener comes with precision angle guides that find the right angle for you every time. The 1st and 2nd stages form the first and second levels of the edge. The 3rd one polishes the third bevel. The 1 and 2 stage wheels are 100 percent diamond.

This is, without doubt, a versatile and fast electric sharpener- it works with sporting, butcher, gourmet, and pocket knives. It will leave them renewed, sharp, and long-lasting.

Plus, it has a very good design- there’s sufficient place to hold it well and doesn’t cause any tiredness in the hands. In this way, you’ll be focused on the sharpening process.

PROS CONS
The machine can sharpen any type of blade including serrated blades The machine is not able to be calibrated or have any adjustable levels of speed or angle degree.
Come with 3 different levels of sharpening: grinding, honing and polishing
Comes with a 3-year warranty to protect it

Work Sharp Wood Tool Sharpener

B000PVHIMW

The Work Sharp WS3000 Woodworking Tool Sharpener is the easiest and fastest way to sharpen all your woodworking tools; sharpening chisels, lathes, planes, scrapers, and more.

The Work Sharp WS3000 Woodworking Tool Sharpener uses a high torque 1/5 hp motor and produces a maximum wheel speed of 580 RPM, making the large abrasive area safer, cooler, and easier to control than vertical grinding wheels.

The WS3000 utilizes gear reduced wheel speed (while preserving consistent torque output) to sharpen tools without overheating or damaging the temper of the steel. And when sharpening chisels and plane irons, the tool rests on a forced-air heat sink that takes the heat away from the tool as it sharpens. This patented heat sink is coated with a replaceable ceramic oxide lapping abrasive that automatically deburrs your edges as you sharpen.

PROS CONS
The purchase includes 16 different abrasives, along with an instructional DVD and a crepe stick for cleaning the abrasives. There are a lot of accessories, but it doesn’t come with a bag or a case.
The sharpening port can handle blades from ⅛ of an inch to 2 inches.
You can get consistent sharpness because you already have preset angles from 20 to 35 degrees with 5-degree increments.
You can also sharpen larger blades freehand.

SunrisePro Supreme Knife Sharpener

B00RW7OYCO

This tool does an excellent job of sharpening virtually any kitchen knife. Simply set the heel of the blade into the V-shaped sharpening slot and draw the knife back. Light pressure and three or four strokes are all it takes to put a cutting edge back on the knife. The Sunrise Pro Supreme has a pivoting safety handle and suction-cup base that holds steady during sharpening. It can be used to sharpen many different types and sizes of knives, including serrated bread knives.

PROS CONS
You end up with very sharp knives in just a short time. It has a bit of a learning curve.
It’s very easy to use after a bit of practice.
The price is unbeatable.

EdgeKeeper Electric Knife Sharpener

B0775R9L9W

This is a 2-stage sharpener that sharpens quickly and easily almost any blade. It’s set to sharpen at the ideal angle thanks to the angle guide. It’s very easy to clean and it produces low mess thanks to its removable magnet- it collects all metal shavings. It looks stylish and sleek.

The non-slip bottom feet keep you safe during usage and the sharpening wheels are durable and razor-sharp and diamond-coated. Its compact size makes it ideal for smaller kitchens. What’s more, it’s suitable for fine-edge blades only, carbon or stainless steel ones, American or European style.

PROS CONS
Collects metal shavings Not suitable for sporting knives
Only measures 8.3 inches in length
Based on 2-stage sharpening

Shenzhen Electric Diamond Sharpener

B00S0BEUIY

This is the ideal sharpener for ceramic and stainless steel blades. Its body has a removable cartridge for cleaning or replacement of old stones. It comes with 2 diamond abrasive stones for sharpening, i.e. one with a 600 grit for coarse sharpening and the other one with an 800 grit for honing or fine sharpening.

Thanks to the motor’s power and the strong stones, you can also use it to fix chips on blades up to a millimeter deep. Planned out to the smallest detail, this sharpener is deservingly on our list for top electric knife sharpeners.

PROS CONS
Includes 600 grit and 800 grit slots Made with a plastic case
Made with a simple design
Suitable for ceramic knives

Work Sharp Culinary E5 Kitchen Knife Sharpener

B074JJ594L

This machine will cost a little bit more but you get a lot that comes with it. It has the highest safety rating when it comes to electric knife sharpeners, which is very important when you are dealing with dull blades. A separate honing rod is also delivered — most other machines don’t include one in their sets.

PROS CONS
Is equipped with finger guards and guide blocks which make it very easy to use. Isn’t able to sharpen serrated blades.
Has the highest safety rating out of all-electric knife sharpeners available.
Comes with a separate honing rod.

CONCLUSION

Without a doubt, electric knife sharpeners have so many benefits to offer, including comfort, speed, efficiency, and minimal human effort required. With the items reviewed above, selecting the best electric knife sharpeners shouldn’t be a difficult task.