Soak a 1000-grit whetstone for 10 minutes, hold the blade at about 20 degrees, and push the edge across the stone in even strokes until a burr forms along the full length. Flip and repeat, then remove the burr on a finer side or a few light strokes on a honing steel. Hone daily; sharpen on stone every few weeks.
What you need
- A combination whetstone — 1000 grit on one side, 3000-6000 on the other.
- A damp cloth or a rubber base so the stone cannot slide.
- A honing steel (this maintains an edge; it does not sharpen).
- Optional: an angle guide clip while learning.
Sharpening on a whetstone, step by step
- Soak the stone in water for 10 minutes, until bubbles stop.
- Place it on a damp cloth, coarse side up, long edge facing you.
- Set the angle: lay the blade flat, then raise the spine about two finger-widths. That is roughly 20 degrees for a European knife, about 15 for a Japanese one.
- Push the blade away from you, edge-first, with light even pressure, sweeping from heel to tip so the whole edge meets the stone. Pull back with no pressure.
- Do 10 strokes, then check for a burr — run a fingertip across (never along) the back of the edge. A tiny wire lip means that side is done.
- Flip the knife and repeat until a burr forms on the other side.
- Move to the fine side, 5-8 very light alternating strokes per side, to remove the burr and polish the edge.
- Wash and dry the knife. Test on paper — a sharp edge slices a hanging sheet cleanly.
Honing between sharpenings
Hold the steel tip-down on a board, run the blade down it at the same angle, 4-6 alternating strokes per side, light pressure. Do this at the start of every shift. Honing does not remove metal, so it cannot fix a genuinely dull knife.
Mistakes that ruin knives
- Pull-through carbide sharpeners — they tear metal and shorten blade life.
- Changing angle mid-stroke, which rounds the edge.
- Grinding a serrated bread knife on a flat stone.
- Cutting on glass, steel or stone boards; use wood or composite.
- Dishwashers — heat and detergent dull and corrode edges.
A commercial kitchen schedule
| Task | Frequency |
|---|---|
| Hone on steel | Every shift start |
| Whetstone sharpen | Every 2-4 weeks per knife |
| Professional regrind | 1-2 times a year |
| Knife inventory and condition check | Monthly |
Buying a set for a new kitchen? See our equipment checklist and what to buy online.
Frequently asked questions
What angle should I sharpen a kitchen knife at?
Most Western chef knives are sharpened at 18-20 degrees per side. Japanese knives are typically 12-15 degrees per side and take a finer edge but chip more easily.
What grit whetstone do I need?
A 1000-grit stone does the actual sharpening for a normally dull knife. Add a 400 grit only to repair chips, and a 3000-6000 grit to polish. One combination 1000/3000 stone covers a working kitchen.
What is the difference between honing and sharpening?
Honing on a steel realigns a rolled edge and takes seconds — do it daily. Sharpening removes metal to create a new edge on a stone — do it every few weeks depending on use.
How often should commercial kitchen knives be sharpened?
Hone before every shift, sharpen on a stone every 2-4 weeks in a high-volume kitchen, and send heavily used knives for professional regrinding a couple of times a year.
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