How-To Guides
Everything you need to start cutting well and make smart kit decisions — written for real beginners and improving cooks.
Chef Knife Size Chart: Measured Length, Height, Weight and Balance from 150 mm to 300 mm
Most home kitchens are best served by a 200-210 mm blade, and the reason has almost nothing to do with length. Blade height at the heel climbs from roughly 33 mm at 150 mm to about 57 mm at 300 mm, and that is the figure that decides whether your knuckles clear the board. The balance point also walks forward roughly 5 mm for every 25 mm of extra blade, which is what people are actually describing when they say a longer knife feels heavy.
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Kitchen Knife Steel Comparison: Claimed Hardness vs What the Bench Found
Delivered hardness typically sits 0.5 to 2.0 HRC below the figure on the box, and the gap is widest at the cheap end and on the most aggressively marketed premium lines. Steel decides how long an edge lasts and how much it costs you to restore, not how well the knife cuts on day one. Two of the steels most often listed as alternatives on the same product page — X50CrMoV15 and 1.4116 — are the same alloy under two naming systems.
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Japanese vs German Knives: The Same Six Measurements Taken on Both
The real difference is distal taper. A German 200 mm chef knife typically retains around 60 percent of its heel spine thickness at the three-quarter station; a Japanese 210 mm gyuto retains around 48 percent, and a thin-ground gyuto around 41 percent. That taper, not the steel or the hardness, is why one falls through a squash and the other splits it.
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Whetstone Grit Chart: What Each Band Does and Where the Progression Stops Paying
A #1000 stone plus a #3000 covers everything a home kitchen needs, and the returns past #6000 are gone within two hours of cutting. Edge force measured after each stage falls steeply from #400 to #2000, then flattens — and a #12000 edge and a #1000 edge converge at roughly the same working sharpness after six board hours. Buy a good #1000 and a flattening plate before you buy anything finer.
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Knife Sharpening Angle Chart: Factory Bevels Measured, Brand by Brand
Measured factory bevels sit 1 to 3 degrees per side steeper than published figures on most Western knives, and the heel is almost always steeper than the tip on the same blade. Sharpen at the angle the knife was ground, not the angle the box quotes — matching a measured 16 degrees when the brochure says 14 saves you around fifteen minutes of pointless steel removal per session.
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Types of Kitchen Knives: A Dimensional Reference for 20 Blade Shapes
Of the twenty shapes below, four are essential and the rest are either duplicates under different names or genuine specialists. A blade shape is defined by three measurements — length, height at the heel and spine thickness — and those three tell you what cut it was ground for far more reliably than its name does. Chef and gyuto are the same category; santoku and bunka differ only at the tip.
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The Knife Block Overlap Matrix: Which Pieces Duplicate Blades You Already Own
Four blades cover 20 of the 22 distinct cuts a home kitchen asks for: a 200 mm chef's knife, an 89 mm paring knife, a 250 mm serrated bread knife, and one specialist picked to match what you cook. Measured against each other, most pieces in a 15-piece block score above 70% dimensional overlap with another piece in the same block, which means they are the same knife ground twice.
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Six Flagship Chef Knives on the Bench: Shun, Wusthof, Global, Dalstrong, Zwilling and Victorinox Measured
Across the six flagship 8-inch chef knives buyers actually cross-shop, spine thickness at the heel ranges from 2.05 mm to 2.95 mm and mass from 172 g to 250 g — a 45% spread in cutting force that no brand publishes. Victorinox and Shun are the thinnest through the middle of the blade; Wusthof and Zwilling carry the most steel and the most stability; Global is the lightest-feeling of the group because of where its balance point sits, not because of its mass.
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Sharpening on a Whetstone: The Full Stroke Sequence with Pass/Fail Checkpoints
The whole job is two things: raise a burr along the full length of the edge at one consistent angle, then remove that burr without rounding what you just made. Every grit above 1000 is refinement, and none of it helps if the burr never formed. Each stage below has a physical test that must pass before you move up.
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How Fast an Edge Actually Dies: Cutting Force Logged Against Cut Count by Steel
Soft German stainless roughly triples the force needed to break a tomato skin within 250 cuts; powder steel takes about 1000 cuts to do the same. That gives a real interval: hone when force passes roughly 300 g, put it on a stone at 500 g, and never let it reach 900 g. Board material shifts the whole curve by up to six times.
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Santoku vs Chef Knife: Blade Geometry, Belly Curve and Which One Suits Your Cutting Motion
One number decides this and it is not length, weight or country of origin. It is belly radius: a chef knife's front third is a curve of roughly 230-250 mm, a santoku's is 620-700 mm, and that difference determines whether the blade rocks or lands flat. If you rock-chop, buy the chef knife. If you push-cut or tap-chop, buy the santoku.
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Symptom to Cause: A Bench Diagnosis Table for Knives That Stopped Cutting Well
Three-quarters of edges that will not hold were never properly deburred, or were sharpened at an angle that drifted mid-stroke. The rest are steel too soft for the angle, or a blade that is simply too thick behind a perfectly good edge. Each symptom below has a test that tells you which, and only one of them is fixed by sharpening more.
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