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Sharpen a kitchen knife properly

About 20 minutes

A dull knife is the one that cuts you. Fifteen minutes fixes years of neglect.

Printable steps & tools

Watch it done

How to Sharpen a Knife on a Whetstone · Serious Eats

Watch it done → Practice now

Do these 3 things next

  1. Soak the stone and set your angle with two stacked coins as a guide.
  2. Do equal strokes per side and feel for the burr.
  3. Test on paper, not your thumb.

Say it while you work: Áfaagua to try, to strive

Steps

  1. Soak a whetstone in water for ten minutes, or use a pull-through sharpener if that's what you have.
  2. Hold the blade at roughly a 20-degree angle — two stacked coins under the spine is about right.
  3. Draw the edge across the coarse side, heel to tip, the same number of strokes per side.
  4. Feel for a slight burr along the back edge, then repeat on the fine side until it disappears.
  5. Finish on a honing rod and test on paper — it should slice, not tear.

When to call a professional

Any job

Nothing here says you can't do it. These are simply the moments where a professional is the cheaper answer.

  • The same problem comes back after a correct repair.
  • The next step needs a tool or permit you don't have.
  • You'd be working alone on something that could pin or fall.
  • You've lost confidence — that feeling is information, not failure.
Open “Sharpen a kitchen knife properly

General guidance only. Local codes and conditions vary. If work involves electrical, gas, structural, HVAC or plumbing systems — or if anything feels beyond your comfort — stop and hire a licensed professional.

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