Best Knife Sharpeners in 2021
Sharp knives make the culinary world go round but finding the best knife sharpener isn’t as simple as walking into the store (do people still walk into stores?) and grabbing the first sharpener that presents itself. There are different types of electric sharpeners, some that are straightforward and some whose sharpening process involves as many as 3 or 4 stages. If you’re looking to keep things simple by using a sharpening stone well, there are 3 different types of them as well – oil, water and diamond – and they each have their pros and cons. So it can be confusing.
Fortunately our product review experts have put their noses to the grindstone (so to speak) for you and come up with a comprehensive list of the 14 best knife sharpeners on the market today. They’ve cast a wide net that includes everything from the most elaborate mechanical devices to the simplest sharpening sticks and stones so you’re bound to find one that fits your needs, temperament and budget. Keep in mind that any opinions expressed here are those of our experts.
The Best Knife Sharpener
Not every knife sharpener will suit your taste and requirements. Some will catch your attention in the store all right, but when put to the test, you will find yourself sorely disappointed. A knife sharpener should be able to work just as you would want it and with the Chef’s Choice, your knives can be sharpened to the last detail. Once sharpened, the knife is then honed and lastly polished with no rough edges left behind.
Both domestic kitchen knives and pen knives can all be sharpened with ease thanks to the superior sharpening edge of this product. With its high-speed performance, this top-notch product has been designed to enhance the edge of any type of knife with a smooth cut. This is good news for those who will require its assistance regularly. What’s more, it also works very well with Asian, European and, Western knives with 15 and 20 degrees knife edges. For more useful kitchen gadgets like this, check out our selection of the top electric can opener.
The handle is easy to hold on to but gives a firm grip
Great for a wide variety of knives
Superior sharpening qualities
Sharpened knives last longer
- BrandChef’s Choice
- Weight8 ounces
A well-sharpened knife is not as dangerous a dull one contrary to popular beliefs. Trust us on that. Keep your kitchen appliances, especially your knives safe to use with the incredible Kitchellence 3-Stage Knife Sharpening Tool. This tool sharpens almost any type of knife you might have in your kitchen and comes fairly priced. It works wonders on dull knives and sharpening has been made easier and both right-handed or left-handed can enjoy this product without any difficulties.
Kitchellence, the manufacturer, no doubt cares about its user’s safety with the addition of a pair of protective gloves that can be worn throughout the sharpening process. This ensures a steady grip offering you total control leaving no room for the sharpener to slip. All in all, this is a great tool that will bring your war with dull unworkable knives to an end. You are assured of nothing but the best and if you are not satisfied within 30 days of purchase, a money-back guarantee is on offer.
Great for both left-handed and right-handed people
Safety Glove included
- Weight9.6 ounces
Relive past cooking experiences with a newly sharpened knife using the Smith’s Consumer KitchenIQ 50009 Edge Grip 2-Stage Knife Sharpener. This sharpener comes with two slots; one for working on damaged and dull surfaces, the other for honing and polishing the knife’s edges. With a few pulls through the slot, you are left with a brand new knife, ready for work. And although perfect for most types of knives, it’s important to note that this sharpener works best with straight-edged and double-beveled models.
Designed to give users a smooth finish, this knife sharpener boasts a firm base for a sturdy and safe use leaving no marks or scratches on your sharpening surface. It also promises smooth results without uneven edges in sight after sharpening. This is due to the fact that it can lay flat on any surface to prevent the dragging of the knife in the sharpening process. As for storage, the sharpener can be easily stacked away in any available space such as the kitchen cabinets thanks to its compact size.
Small and portable
Sharpening is quick
Suitable for straight knives and double-beveled knives
- Weight0.48 ounces
Sharpening dull knives at home using manually operated knife sharpeners can be tiring for your arms. With Presto 08800 Eversharp Electric Knife Sharpener, running electricity is all that is needed and in under one minute, a shiny and sharp knife is revealed. This is a one of a kind electric knife sharpener that comes with sharpening wheels that create a polished blade that won’t dull easily over time.
Sharpening is done automatically; you simply need to place the knife blade in the correct sharpening position and you don’t have to worry about the required angles for optimum results. All in all, this electric sharpener is probably one of the most extraordinary of its kind that offers quick, effective results; which justifies its price in every respect.
Easy to use
Excellent sharpened knives
No manual work needed
- Weight2.95 pounds
The Sunrise Pro Sharpener is not the most glamorous or expensive sharpener on our list but it does one thing extremely well: it sharpens just about any kind of knife to whatever level of precision you’re after. It’s easy to use and mounts securely on your countertop or table to help eliminate slip-related accidents.
The Sunrise Pro doesn’t have the pedigree of some other knife sharpeners on our list but it performs as advertised and that’s all that matters. For a relative song you get to restore all the knives, steak knives, cleavers in your kitchen to near pristine condition. It’s easy to use and the nice strong suction cup on the bottom means you can put the band aids away.
It’s small, cheap and effective
It’s small, cheap and effective
Doesn’t discriminate between types of knives. Use it on your Asian knives, your steak knives, your cleaver or whatever
100% money back+ satisfaction guarantee
Can be a bit aggressive so you may want to start with a soft touch
Sharpening stones have been around since the dawn of civilization for a very good reason: they work. Yes, they’re more labor intensive than most electric sharpeners but they also allow you an unprecedented level of control. Once you get used to something like the Fallkniven DC3 Diamond/Ceramic Whetstone Sharpener you may never take out your electric sharpener again.
The Fallkniven DC3 Diamond/Ceramic Whetstone Sharpener will make a believer out of anyone willing to invest a bit of time in the process. A big advantage of this stone is that it can be taken anywhere, used anywhere, without any form of lubrication and will produce an amazing sharp edge on whatever needs sharpening. Timeless Old World tech that still dazzles.
Ideal for kitchens or for taking into the field on your hunting sojourn
Twin sharpening surfaces: one a 25 micron diamond surface and the other a fine ceramic
Can be used without any lubrication
Extremely low maintenance
Surface may seem too coarse upon first use so be patient
The Chef’s Choice 476 2-Stage Sharpener transforms your weary kitchen, hunting and pocket knives into razor sharp cutting instruments with dependable ease. The sharpener is simple in concept, solid in its fabrication and reliable in the way it goes about its business. The design is also free of right-hand bias which is good news for the lefty chefs out there.
The kind of tech we love: compact, reliable, durable, attractive and cheap. Purists may feel that other sharpeners will produce a more perfect result but for 99% of the human race this sharpener will be everything the doctor ordered. Your blades stay sharp for a good long time thanks to the 2-stage sharpening process and if you’re a left handed chef you’ll love the fact that it works just as effectively for you as for anyone else.
A no-nonsense sharpener that can handle just about any blade you present it
Dual ceramic and tungsten carbide sharpening elements for a razor sharp result
Easy to use for righties or lefties
Non slip feet keep it on the countertop or table and minimize potential for accidents
Attractive price point
Be mindful that your thumb may get close to the blade during the sharpening process
Our second entry from Chef’s Choice is the 463 Pronto Santoku. This manual sharpener is super-simple to use and delivers fast, high quality results every time. While this is a “2-stage” system there’s nothing complicated about it. One slot is for sharpening and the other for honing. Both stages utilize diamond abrasive surfaces so your blades will retain its edge for a good long time.
For this type of hand held manual sharpener the 463 does an extraordinary job thanks mostly to the diamond abrasive wheels. You get an edge that’s both razor sharp and burr-free, as if you spent an hour working the edge on an oil stone. If people make a mistake with the 463 it’s that they assume more pressure is needed than actually is. Keep in mind though that it really shines on serrated and straight edged, double bevel Asian-style knives.
A true no-nonsense human powered sharpener that gets the job done
The ergonomic design keeps your hand out of harm’s way and allows you to hold the sharpener firm
Ideal for Asian-style knives with serrated santoku edges
Truly ambidextrous. Doesn’t ignore the left handed chef
It can take some practice to find the ideal pressure that should be applied on this sharpener, but that’s small potatoes really
The Mooker 3-Stage Sharpener is perhaps the best looking sharpener on our list but it’s more than that. It’s an ultra-reliable manual sharpener that puts your blade through 3 stages that cause them to emerge burr-free and razor sharp. From diamond to tungsten to ceramic the Mooker’s wheels grind, refine and clean your blade to perfection.
A beautiful looking tool the Mooker 3-Stage Manual Sharpener takes in your dull knives and returns them with a professional quality edge to them. The 3-stage process is all the company claim it to be and the build quality is such that you can bank on having this sharpener at your disposal for years to come. All for the price of a movie ticket.
Graceful, non-slip design is the perfect accent to any modern kitchen. You won’t want to put it away
The 3 stage process is incredibly easy and just as effective
Ideal for both home and professional use
Full lifetime warranty on materials and build and 100% money back guarantee if you’re not completely satisfied with the results
It might not be a great fit design-wise in your Victorian kitchen
The Lansky 4-rod Turn Box is a bit of a departure from the other kinds of sharpener on this list but a system that’s nonetheless easy to use and will generate seriously sharp blades. It’s also easy to store when not in use. The system itself is surprisingly stable and consists of 4 five-inch ceramic sharpening rods set at 20 and 25 degrees.
Although the Lansky 4-rod Turn Box Sharpener looks like an incomplete grade school science project it does the job it’s designed to do and does it with remarkable ease and effectiveness. Give your knives a few swipes on a regular basis and you’ll keep them remarkably sharp and ready to go. Use it in the kitchen or take it camping with you.
Talk about low maintenance
Sharpening rods fit firmly into the base to ensure a clean swipe
One set is medium grit to sharpen while the other is fine grit to hone
1 year warranty on materials and workmanship
“Attractive” isn’t a word that comes to mind with this sharpener
DMT has a long history of creating industry leading knife sharpeners and associated products that are known for their quality and reliability. The DMT CS2 12-inch Ceramic Stick is another fine example of their ability to create simple, affordable and dependable products that are easy to use and get the job done with minimum fanfare.
A great sharpener for all your kitchen knives the CS2 also makes a smart addition to the gear when you’re going away on a family camping trip. It will also do a bang-up job on your hunting, pocket, boning knife and more. As mentioned it does require just a bit of getting used to in order to achieve optimal results but nothing too involved. A simple, effective, no-frills sharpener.
Large comfortable handle makes it easy to hold the stick firmly
With just a bit of practice you’ll achieve professional grade sharpness
No oil or other liquid of any kind needed
Lightweight with an effective safety flange to protect your hand
Not going to win any style awards but it does the job it’s designed to do
The final Chef’s Choice sharpener on our list is the 316 Diamond Sharpener. Like the 15XV the 316 is at its best when used to sharpen Asian-style knives and it does so with unflinching effectiveness and speed. This is a compact, 2-stage electric sharpener that produces the 15 degree edge so favored in Asian cutlery. Ideal for the preparation of sashimi or sushi.
The Chef’s Choice 316 sharpener will restore your dull knives to professional sharpness. It’s a great, reliable, well-built kitchen appliance that requires no special knowledge or setup. The precision guides of the 2-stage system make sure the blade is firmly held at the correct angle so that optimal sharpening is realized with minimal fuss. Great for your Asian-style knives or those you’d like to endow with an Asian-type edge for some precision cutting.
2-stage system uses 100% diamond abrasives to achieve the optimal result
15 degreeangle of attack produces a blade that’s perfect for precision work
High build quality down to the rubber feet that stay fast
1-year warranty on materials and craftsmanship
Not the fastest sharpener on the market
The Whetstone 2-Sided Sharpening Stone is made from professional grade corundum and will sharpen everything from a razor blade to a cleaver and even a machete, should you happen to have a machete lying about that needs sharpening. This is the simplest type of sharpener it’s true but the company have obviously put a great deal of thought into the product.
The company is to be commended for including links to instructional videos in the package. Those videos lay out clearly how to get the most from your Whetstone sharpener stone. Once you get up to speed you’ll likely enjoy the process and at the same time achieve professional quality results time and again. Sure, it’s not fancy and doesn’t have a sleek, chrome plated design but it works.
The stone comes with a link to online instructional videos that make mastering the stone a breeze
Uses water instead of oil for better results and easier cleanup
The non-slip base is nice and thick and holds the stone fast while working
1 year limited warranty against defects in material or workmanship
More labor intensive than a mechanical or electrical sharpener
Why spend hundreds of dollars on a knife sharpening machine when you can get your knives razor sharp for the price of a cheap necktie? It won’t take more than a few practice sessions to learn how to get your knives professionally sharp with the Lansky 8” Ceramic Sharp Stick. This device is simplicity incarnate and yet it does the job of electric sharpeners costing many times more.
There are no lengthy explanations needed to describe the Lansky 8” Ceramic Sharp Stick sharpener. It’s an old-fashioned device comprised of a hardwood handle and ceramic sharpening rod. That’s it. Sure it’s not going to create an absolutely picture perfect edge down to the last micron but it will keep your knives really sharp and do so for next to nothing.
Nothing fancy here, just age old proven technology crafted to last
The simplest way to keep all your knives razor sharp
Just put it back in the drawer when you’re done with it
1 year warranty on materials and craftsmanship
Not going to dazzle the friends but it will get your knives good and sharp for short money
No flange to protect your hand so be careful by golly!
The AccuSharp Sharpener is proof positive that you shouldn’t judge a book by its cover. While it looks like something used to attach buttons to shirts it’s actually one of the most cost effective, and we mean effective, means around for restoring a professional edge to your dull knives. It’s compact, screwed together rather than glued and its diamond coated tungsten carbide wheels create an edge that will last.
This is a great sharpener for budget conscious cooks. You can use it with equal facility whether you’re right or left handed, it has a convenient finger guard to cut down on accidents and most important, it only takes a few swipes on a regular basis to keep your knives in tip-top condition. It’s not glamorous. It won’t add anything substantive to your kitchen decor. But it will ensure your knives are always ready for whatever dish you have in mind.
Handles everything from your Swiss Army knife to your cleaver and axe
Ambidextrous design keeps left-handed chefs in mind
The hand grip on this sharpener is designed to eliminate accidents while sharpening knives
Less than $10
Yes, it has a plasticky feel but for less than a sawbuck it does the job
What can we say about the design of the Warthog V-Sharp Classic II? Perhaps the designer spends too much time at the health club. Aesthetic considerations aside however there’s no doubt this unusual looking piece of culinary kit will provide you with the razor sharp knives you need to slice and dice your way to happiness.
Believe it or not the company have put a bit of effort into refining the look of their product to make it more aesthetically appealing. Whether or not they’ve succeeded we’ll let you decide. Once you get accustomed to the Classic II however the results are undeniable and the whole thing will make perfect sense. Use it on your kitchen knives, hunting knives, utility knives and more and enjoy the same high quality finish every time.
All popular sharpening angles
325 grit diamond surface rods for optimal sharpening capability
Durable steel frame construction
Sticky rubber base keeps the sharpener planted where you put it
1 year warranty on materials and craftsmanship
One of the more intimidating products on our best knife sharpener guide but give it a chance
Knife Sharpeners Buyers Guide
Suitability - Your desired knife sharpener must be suitable enough for the job in hand. For longer blades, you will need a correspondingly large knife sharpener, and for very sharp blades, a hard abrasive material such as sharpener will be needed. Quite frankly, the sharpening material of the knife sharpener should always be harder than the blades of your knife.
Safety - To prevent mishaps with your sharpener, it is recommended to only for a product that has proven itself when it comes to safety. Most of these listed sharpeners are encased which helps prevent direct harm to the body.
Power and Wattage - Although many household appliances are known to consume a lot of energy, since the sharpening process is under a minute long, the electric knife sharpeners we have enlisted use very little power.
Knife Sharpeners FAQ
Q: How does a knife sharpener work?
A: The principle of a knife sharpener is very simple. There are different materials which are suitable for sharpening knives. The abrasive material must always be harder than the blade to be ground. If the knife is then treated with a sharpening steel, grindstone, or an electric sharpener, the abrasive material will cause the burr to reposition and align.
Q: Can I sharpen scissors with a knife sharpener?
A: It is not advisable to sharpen craft scissors or any other type of scissors with a knife sharpener as you might end up with unwanted burrs and rough edges. It is better to purchase sharpeners made specifically for scissors.
Q: Do knife sharpeners cause damage to knives?
A: Damage can be prevented with the use of a quality knife sharpener, you are on safe grounds. Additionally, it’s vital to avoid using knife sharpeners aggressively, especially those that are manually operated sharpener as it may cause the edges chip off quickly.
Q: How often can you use a knife sharpener?
A: Depending on the type of knife and how you use it, you can have your knives sharpened three to four times a year if you rarely use them. However, if used regularly, the right time to sharpen a knife is actually before each use. When sharpened regularly, you have a well-honed knife that never gets dull. But it's also enough if you sharpen your knife as soon as it gets dull. What’s more, knives made from stainless steel or carbon steel usually require sharpening after every use.