Home Knife Care: Keep Your Knives Sharp Longer
Professional sharpening makes your knives razor-sharp. But what you do at home determines how long that edge lasts. Follow these practices to maximize sharpness between services.
Proper storage is the single biggest factor in how long your knife stays sharp between sharpenings.
Most home cooks need professional sharpening 2–4 times per year. But the time between sharpenings? That's where proper knife care matters.
Good habits can keep your knives performing for months. Bad habits dull them in weeks. Here's everything you need to know about caring for your knives at home.
Hand Wash Only. Always.
NEVER put knives in the dishwasher
Dishwashers destroy knife edges through water pressure, harsh detergents, thermal cycling, and moisture exposure. Even knives labeled "dishwasher safe" dull faster and corrode. There are no exceptions.
Do This
- Wash immediately after use with mild dish soap and warm water
- Use a soft sponge or cloth, avoid abrasive scrubbers
- Dry completely with a towel before storing
- Takes 30 seconds total, faster than loading a dishwasher
Never Do This
- Put knives in the dishwasher (not even once)
- Leave knives soaking in water for extended periods
- Use harsh abrasive pads or steel wool
- Air-dry (water spots cause corrosion over time)
Use the Right Cutting Board
Your cutting board is the single biggest factor in how long your knives stay sharp.
Every cut involves the knife edge impacting the board surface. Hard boards act like grinding wheels. Soft boards preserve the edge.
Safe Boards (Use These)
Wood Boards
Maple, walnut, cherry, teak. Wood fibers compress and self-heal, preserving knife edges. Best option for serious cooks.
HDPE Plastic
High-density polyethylene (restaurant-style plastic boards). Softer than knife steel, dishwasher safe, inexpensive.
Dangerous Boards (Never Use)
Glass & Ceramic
Harder than knife steel. Actively grinds the edge away. Can dull a fresh edge in one cooking session.
Bamboo
Contains silica (essentially sand) that acts as an abrasive. Dulls knives faster than wood despite marketing claims.
Marble & Granite
Stone surfaces are devastating to knife edges. Use for serving, never for cutting.
Bottom line: Switching from a glass board to a wood board can triple the time between professional sharpenings. It's the single easiest change you can make.
Hone Regularly (But Don't Confuse It with Sharpening)
Honing ≠ Sharpening
Honing realigns a sharp edge that's bent out of shape. Sharpening removes metal to create a new edge. You hone at home. You sharpen professionally.
How to Hone Your Knives
- 1
Frequency: Before each cooking session
Takes 15 seconds per knife. Do it before you start prep work.
- 2
Angle: 15–20 degrees
Roughly the angle of a matchbook under the spine. Consistency matters more than precision.
- 3
Motion: Light pressure, smooth strokes
Draw the knife down the steel from heel to tip. 5–6 strokes per side. Let the steel do the work.
- 4
Test: Slice a tomato
If it glides through cleanly, you're good. If it struggles, your knife needs professional sharpening, not more honing.
Important: Honing only works on knives that are already sharp. If your knife is truly dull, honing won't help. You need professional sharpening to restore the edge.
Store Knives Properly
Knife Block
Classic option. Keeps knives organized and accessible.
Safe, convenient, protects edges
Takes counter space
Magnetic Strip
Wall-mounted option. Easy access, saves counter space.
Space-efficient, modern look
Requires wall mounting
Blade Guards
Individual plastic sheaths. Good for drawer storage or travel.
Flexible, portable
Less convenient
Never Store Loose in a Drawer
Knives banging against each other damages edges and creates safety hazards. Every time you reach in, you risk cutting yourself. Plus, the constant contact dulls edges quickly.
What Won't Keep Your Knives Sharp
Pull-Through Sharpeners
Those "run your knife through this slot" gadgets remove metal aggressively and unevenly. They create rough, weak edges that dull quickly. They're not maintenance tools, they're knife destroyers.
Electric Sharpeners
Home electric sharpeners remove too much metal, can't match professional angles, and often overheat edges (damaging the steel's temper). Professional sharpening costs $10. Replacing a ruined knife costs $50–300.
"Sharpening" Cutting Boards
Cutting boards with built-in sharpeners (usually ceramic slots) are gimmicks. They can't properly sharpen or even hone a knife. They're marketing hype, not functional tools.
DIY Whetstones (For Most People)
Whetstones work, if you know what you're doing. Most people don't. Inconsistent angles and improper technique create uneven edges. Unless you're committed to learning the skill, professional sharpening is faster, cheaper, and better.
The Bottom Line
Good knife care is simple:
- Hand wash and dry immediately after use
- Use wood or plastic cutting boards only
- Hone before each cooking session
- Store in a block, on a magnetic strip, or with blade guards
- Get professional sharpening 2–4 times per year
These five practices will keep your knives sharp for months between professional services. Skip any one of them and you'll be sharpening twice as often.
Related Guides
Time for Professional Sharpening?
Even with perfect home care, knives eventually need professional sharpening. We come to you, sharpen while you wait, and make every knife like new again.