How to Sharpen Kitchen Scissors — The Right Way

Dull kitchen scissors don’t just make cooking annoying — they’re actually dangerous. You end up using more force, which means less control, which means cuts. And let’s be honest: struggling to snip through a chicken breast or a tough bag of frozen peas is just embarrassing.

Most people never sharpen their kitchen scissors. They buy new ones when the old ones get dull. But a good pair of kitchen shears can last decades with proper sharpening. Here’s how to do it right.

Why Kitchen Scissors Get Dull

The Golden Rule: Respect the Original Angle

Kitchen scissors have a much wider angle than knives. Knives are 15-20° per side. Scissors are 45-60° per side. If you use a knife sharpener, you’ll ruin the scissor edge.

Method 1: Sharpening Stone (Best Results)

This gives the sharpest, longest-lasting edge.

What You Need

• Medium-grit whetstone (1000-3000 grit) — a combination stone with coarse/medium sides is ideal
• Water or honing oil (depending on stone type)
• Towel to stabilize the stone

Steps

1. Clean the scissors thoroughly with hot, soapy water. Dry completely.
2. Take them apart if they have a screw pivot. (Riveted? Skip this step.)
3. Soak/prep the stone per manufacturer instructions.
4. Hold one blade flat against the stone at its original bevel angle.
   • The bevel is the angled edge on the inside of each blade (the side that faces the other blade when closed).
   • Match the existing angle — don’t guess.
5. Stroke from pivot toward tip in smooth, even strokes.
   • Push the blade away from you (like you’re slicing a thin layer off the stone).
   • 5-10 strokes per side is usually enough.
6. Repeat on the other blade — same angle, same number of strokes.
7. Remove the burr: Lightly run the flat side (outside) of each blade flat on the stone once or twice. This knocks off the microscopic burr created by sharpening.
8. Reassemble (if taken apart). Apply a drop of food-safe oil to the pivot.
9. Test on paper — should cut cleanly without tearing.

Pro tip: Mark the bevel with a black marker before sharpening. As you stroke, the marker will wear off where the stone contacts. Adjust your angle until the marker wears evenly across the bevel.

Method 2: Ceramic Mug (Surprisingly Good)

The unglazed ceramic ring on the bottom of a coffee mug works as a fine sharpening surface. It’s essentially a free ceramic honing rod.

1. Flip a ceramic mug upside down.
2. Find the unglazed ring on the bottom — it feels rough.
3. Hold the scissor blade at the original bevel angle against the ring.
4. Stroke from pivot to tip 8-10 times per blade.
5. Deburr by lightly running the flat side on the ring once.
6. Test on paper.

Works best for: Touch-ups between real sharpenings. Not aggressive enough for very dull scissors.

Method 3: Diamond Sharpening Rod / Ceramic Rod

If you have a knife sharpening rod, check if it’s ceramic or diamond-coated. Steel rods (honing steels) don’t work on scissors — they’re too smooth.

1. Hold the rod vertically tip-down on a cutting board.
2. Hold one blade at the original bevel angle against the rod.
3. Stroke from pivot to tip along the rod, 8-10 times.
4. Repeat on other blade.
5. Deburr on the flat side once.

Method 4: Aluminum Foil (Quick Fix Only)

This doesn’t actually sharpen — it hones (realigns the edge). Use when you need a quick fix and have no tools.

1. Fold a sheet of aluminum foil 4-6 times thick.
2. Cut through the foil with the scissors 10-15 times.
3. Wipe the blades clean.
4. Test on paper.

Reality check: This cleans the blades and can temporarily improve a slightly dull edge. It will NOT fix genuinely dull scissors. Don’t rely on it.

Method 5: Sandpaper (In a Pinch)

1. Use 400-600 grit wet/dry sandpaper on a flat surface.
2. Hold the blade at the bevel angle and stroke from pivot to tip.
3. 5-8 strokes per blade.
4. Deburr on the flat side.
5. Clean thoroughly — you don’t want sandpaper grit in your food.

Special Situations

Serrated Kitchen Scissors

Some kitchen shears have one serrated blade (for gripping slippery food).

• Only sharpen the straight (non-serrated) blade.
• The serrated blade does the gripping; the straight blade does the cutting.
• Sharpen the straight blade using any method above.

Poultry Shears / Bone-Cutting Scissors

These have thicker, stronger blades and sometimes a notch for cutting bones.

• Use a coarse stone first (400-800 grit) to repair chips from bone cutting.
• Finish on medium stone (1000-3000 grit).
• Maintain the wider angle — these are often 50-60° per side.

Scissors That Won’t Cut After Sharpening

If they’re sharp but still won’t cut:

1. Check the pivot tension — too loose = blades don’t contact properly. Tighten the screw slightly.
2. Check for bent blades — sight down the edge. Bent blades need professional repair or replacement.
3. Clean the pivot area — built-up gunk prevents full closure.

Maintenance: Keep Them Sharp Longer

When to Replace Instead

• Blades are chipped or cracked (not just dull)
• The pivot is riveted and loose (can’t be tightened)
• Blades are bent and won’t align
• You’ve sharpened them so many times the blades are thin
• They’re cheap stamped steel — not worth the effort

Good kitchen shears worth sharpening: Wüsthof, Zwilling, Joyce Chen, OXO Good Grips, Shun. These have quality steel that takes and holds an edge.

The Bottom Line

Sharpening stone = best results. Ceramic mug = good touch-up. Aluminum foil = emergency band-aid. The key is respecting the original wide angle (45-60°) and sharpening the inside bevel of each blade. Do it every 6-12 months and your kitchen scissors will outlast your knives.

Related Guides

• How to sharpen kitchen knives — the companion guide for your knives.
• How to remove rust from kitchen tools — if your scissors have rust issues.