The Best Knife Sharpeners for 2026: Whetstones, Electric and Pull-Through Picks
By Claire Whitmore. Last updated October 2026.
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A beautiful chef’s knife is only as good as its edge. Even premium German and Japanese blades dull with regular use, and a dull knife is both frustrating and more dangerous because it slips instead of biting. The good news: keeping knives sharp at home is easier and cheaper than most people think, whether you prefer the ritual of a whetstone or the speed of an electric sharpener.
We built this guide from two independent tests. Serious Eats tested 12 sharpeners, measuring edge sharpness before and after with a sharpness tester and weighing knives to see how much steel each sharpener removed. The Spruce Eats tested its own lineup of electric, manual and rolling sharpeners on straight and serrated knives. The two outlets favor different styles, which helps clarify who should buy what. We haven’t tested these sharpeners ourselves.
Quick answer: if you’re willing to learn, buy a whetstone; Serious Eats’ best is the King 1000/6000 Starter Set, and its budget pick, the Amazon Basics 1000/6000 stone, costs under $20. If you want speed with control, the Work Sharp Ken Onion is Serious Eats’ best electric. The Spruce Eats’ best overall electric is the Chef’sChoice 130, and its best manual is the inexpensive Longzon 4-in-1.
Our picks at a glance
| Sharpener | Type | Source | Best for |
|---|---|---|---|
| King Whetstone Starter Set (1000/6000) | Whetstone | Serious Eats: best whetstone | Best edge per dollar |
| Zwilling Bob Kramer Glass Whetstone Set | Whetstone set | Serious Eats: best splurge | Enthusiasts, gifting |
| Amazon Basics Whetstone (1000/6000) | Whetstone | Serious Eats: best budget | Trying whetstones for under $20 |
| Work Sharp Ken Onion | Electric belt | Serious Eats: best electric | Adjustable angles 15°–30° |
| Chef’sChoice 130 | Electric 3-stage | The Spruce Eats: best overall electric | Straight and serrated blades |
| Zwilling 4-Stage | Pull-through | Serious Eats: best pull-through | Quick touch-ups |
| Longzon 4-in-1 | Pull-through | The Spruce Eats: best overall manual | Budget, includes scissors slot |
| HORL 2 Rolling Sharpener | Rolling | The Spruce Eats: best rolling | Easy, fixed 15°/20° angles |
Whetstone, electric or pull-through?
Whetstones give you total control and the sharpest, smoothest edge, tailored to each knife. Serious Eats says they’re the way to go for hands-on cooks, especially with high-end Japanese knives, but they take practice and time.
Electric sharpeners are fast and reliable, though less delicate. Serious Eats’ view is pragmatic: if an electric gets you to sharpen at all, it’s worth it. Pull-through sharpeners are the cheapest and most compact, but they trade control for convenience and can remove more metal than necessary.
Grit is the key whetstone concept. Serious Eats compares it to sandpaper: a coarse stone around 400 grit removes metal quickly to repair a damaged edge, about 1000 grit is the everyday sharpening workhorse, and 5000 to 6000 grit polishes and refines. A combination 1000/6000 stone covers most home needs.
The best knife sharpeners
1. King Whetstone Starter Set: best whetstone
Best for: cooks who want the best possible edge and are willing to learn.
The dual 1000/6000 King stone gave Serious Eats reliable edge repair and a finer polish than competitor stones, with a 291% improvement in sharpness on a damaged knife and the best final sharpness reading of any sharpener it tested. It’s a 7.3 by 2.5 by 1-inch ceramic stone.
It’s a softer stone that works up a slurry and will eventually need flattening; it doesn’t include a lapping plate or flattening stone, so plan to buy one down the road.
Pros
- Best sharpness in testing
- Two useful grits
- Affordable
Cons
- Softer stone wears faster
- No flattening stone included
2. Zwilling Bob Kramer Glass Whetstone Sharpening Set: best luxury whetstone set
Best for: knife collectors and memorable gifts.
The splurge set includes three glass whetstones (400, 1000 and 5000 grit), a bamboo holder and sink bridge that lets you sharpen over the sink, a cleaning stone, and instruction from master bladesmith Bob Kramer. Serious Eats recorded an 88% sharpness improvement without working through every stone, and found glass stones harder to master. It’s pricey, but it’s a complete, beautiful kit.
Pros
- Complete three-grit kit
- Sink bridge and holder
- Expert instruction
Cons
- Expensive
- Learning curve
3. Amazon Basics Whetstone: best budget whetstone
Best for: anyone curious about whetstones who doesn’t want to spend much.
Serious Eats was shocked by how well this under-$20 1000/6000 stone performed. It includes beginner-friendly extras: a silicone non-slip holder, bamboo base and angle guide. The stone is soft and dishes quickly, so it won’t last like better brands, and some owners question the grit accuracy.
Pros
- Under $20
- Angle guide and base included
Cons
- Wears quickly
4. Work Sharp Ken Onion Electric Knife Sharpener: best electric for control
Best for: cooks who want electric speed with precision.
Its angle guide adjusts from 15° to 30° in 1° steps, so you can match Japanese or Western edges, and a variable-speed motor drives flexible abrasive belts from extra coarse to extra fine. Serious Eats got a knife plenty sharp right out of the box. It’s more involved than a pull-through and can throw some dust.
Pros
- Precise angle control
- Interchangeable belts
- Fast
Cons
- Learning curve
- Makes dust
5. Chef’sChoice 130 Professional Sharpening Station: best electric for serrated knives
Best for: households that want a set-and-forget electric.
The Spruce Eats’ best overall electric uses three stages: diamond abrasives to sharpen, steel to set the edge and a flexible stropping disc to polish. It works on serrated knives too, which many sharpeners can’t. The manual is dense, but following it, including checking for a burr, gives excellent results. The Spruce Eats also liked the Chef’sChoice 320 for its firm, precisely angled slots, and the inexpensive Presto EverSharp, which left small scratches on blades.
Pros
- Handles serrated blades
- Three-stage edge
- Consistent angles
Cons
- Dense instructions
- Bulky
6. Zwilling 4-Stage and Longzon 4-in-1: best pull-through sharpeners
Best for: quick touch-ups between proper sharpenings.
Serious Eats’ pull-through pick, the Zwilling, is compact and easy, with a padded non-slip base and slots for Asian and Western blades. But it removed a measurable two grams of steel during testing, so overuse will wear knives down. The Spruce Eats’ best manual, the budget Longzon, has three progressively finer slots plus a wide scissors slot, a non-slip base, a steadying handle and cut-resistant gloves.
Pros
- Cheap and fast
- Compact
- Easy for anyone
Cons
- Removes more metal
- Less control
7. HORL 2 Rolling Knife Sharpener: best rolling sharpener
Best for: design lovers who want foolproof angles.
Rolling sharpeners hold the knife still on a magnetic block angled at 15° or 20° while you roll a diamond and ceramic wheel along the edge. The Spruce Eats found it fun to use, like rolling a toy car, and the grit wheels are replaceable. It doesn’t handle serrated knives. Serious Eats also gave the HORL 3 Cruise an honorable mention.
Pros
- Foolproof angles
- Elegant design
- Replaceable wheels
Cons
- Not for serrated blades
- Pricier than pull-throughs
Do expensive sharpeners work better?
Not necessarily. Serious Eats found that premium whetstones and sharpeners mostly bought better accessories, versatility or ease of use rather than sharper edges; its best-performing stone was the modestly priced King, and a sub-$20 stone impressed. Spend more for convenience or a complete kit, not because you expect a dramatically keener edge.
How to choose
- Knife type: Japanese knives typically use a 15° edge, many Western knives 20°; choose a sharpener that matches or adjusts.
- Serrated knives: only some sharpeners, like the Chef’sChoice models, handle them.
- Time and interest: whetstones reward practice; electrics and rollers suit busy cooks.
- Metal removal: coarse pull-throughs remove the most steel; use them sparingly on premium knives.
- Maintenance: whetstones need soaking or wetting and periodic flattening.
Sharpening vs. honing
Sharpening removes metal to create a new edge; honing with a steel or ceramic rod realigns an edge between sharpenings. Hone weekly or before big prep sessions, and sharpen a few times a year depending on use. Protect your edges with a good board, too; see our best cutting boards, and pair your sharpener with one of the best chef’s knives.
FAQ
How often should I sharpen my knives?
Home cooks typically sharpen a few times a year and hone in between; sharpen when a knife slips on tomato skin.
Can electric sharpeners damage knives?
They remove more metal than a whetstone and can scratch blades; The Spruce Eats noted scratches from a budget model.
What grit whetstone should I buy first?
A 1000/6000 combination stone, like Serious Eats’ King and Amazon Basics picks.
Can I sharpen Japanese knives with a pull-through?
It’s possible with an Asian-angle slot, but a whetstone or adjustable electric gives better results.
The bottom line
Learn on the King 1000/6000 whetstone for the best edge, or start with the under-$20 Amazon Basics stone. For push-button convenience, choose the Work Sharp Ken Onion for control or the Chef’sChoice 130 for serrated blades.
