Why Does My Knife
Dull So Fast?
Most rapid dulling comes from three habits that are easy to break. Fix them and you may never wonder again.
Book SharpeningThe Short Answer
Glass cutting board → dishwasher → loose drawer storage — in that order, those three habits account for 90% of premature dulling. Fix those first.
Common Causes of Rapid Dulling
Hard Cutting Boards
Glass and ceramic boards are the #1 culprit — they remove metal from your edge with every stroke. Switch to wood or plastic and you will notice the difference immediately.
Dishwasher Use
Heat cycles, harsh detergents, and the knocking around inside a dishwasher cause rust, pitting, and rapid edge degradation. Hand wash and dry immediately — every time.
Loose Drawer Storage
Knives clanking against other utensils inflict micro-chips on the edge with every open and close. Use a knife block, magnetic strip, or blade guards.
Improper Technique
Cutting frozen foods, scraping the blade sideways across a board, or using the spine as a bone splitter are all fast ways to roll or chip an edge.
Acidic Foods Left on the Blade
Tomatoes, citrus, and onions are mildly corrosive. Leaving them on high-carbon steel even briefly causes micro-pitting that accelerates dulling. Rinse right after use.
Soft Steel
Budget knives use softer steel (Rockwell 52–55) that rolls quickly under normal use. A higher-quality blade at 58–61 HRC holds an edge far longer.
How to Keep Your Knife Sharp Longer
Frequently Asked Questions
Why does my knife get dull so quickly?
Usually: glass cutting board, dishwasher, or loose drawer storage — in that order. Fix those three things and you'll double or triple the time between sharpenings.
What surfaces dull knives fastest?
Glass and ceramic boards. They're harder than knife steel, so every cut removes metal. Wood (especially end-grain) and soft plastic are the right choice.
Does the dishwasher really ruin knives?
Yes. The heat warps handles, the detergent corrodes the edge, and the movement causes chips. Even one dishwasher run can noticeably dull a good knife.
How often should I get knives professionally sharpened?
For a home cook: once or twice a year. Daily honing between sessions will keep them performing well. Heavy users (meal prep, frequent cooking) may want quarterly sharpening.
Already Dull?
Good Habits + Professional Sharpening
Prevention extends the life of your edge, but eventually every knife needs a whetstone. Austin porch pickup, drop-box, or mail-in from anywhere.
Book Sharpening →