Transform Your Space: Stunning Mosaic Tile Bathroom Floors

In-Drawer Knife Block: How to Build One That Actually Fits

I have made eleven of these. First one was for my own kitchen when I got tired of the countertop block eating prime real estate near the cutting board. The next ten were for clients who saw mine and wanted the same thing. The build is not difficult but there are a few places where getting it wrong means starting over, which I did twice before I understood the job properly.

Start by measuring the inside of the drawer before you do anything else — width, front-to-back depth, interior height. Do not trust nominal measurements; measure what is actually there. Account for the drawer slides and any hardware that protrudes inward. You want the finished block to fit with about an inch of clearance so you can lift it out easily. The first one I built fit perfectly in my drawer in January and stuck in August when the drawer swelled in summer humidity. More clearance would have avoided that.

Lay out all the knives you want to store. Measure blade lengths and thicknesses individually — they vary more than you would expect across a set. Group them by size so you can plan the slot arrangement: longer chef’s knives toward the back where the slots can be deeper, shorter paring knives toward the front. Leave enough space between slots for fingers to reach in without brushing against adjacent blades.

Drawer construction
Drawer construction

The construction method I use is stacked slats. Cut a series of horizontal slats to uniform length matching the drawer width. Between them, glue spacer strips cut to the slot width you need for each knife — about 1/8 inch wider than the blade thickness works well, enough for easy insertion without the knife flopping around. Stack slats and spacers in sequence, glue, clamp flat, check alignment. After cure, add a solid base piece. Sand the whole assembly through 120 and 220 grit, paying particular attention to the slot entries where your hand goes in daily.

The alternative is routing slots directly into a solid block. Cleaner in appearance and traditional-looking, but it requires more setup time and a proper router jig to keep the slots parallel and consistent. I use the slat method for most jobs because it adapts easily to different knife sizes just by changing spacer thickness. For a deep drawer, a two-tier design — upper level that lifts to reveal storage below — doubles capacity in the same footprint, which matters in compact kitchens.

Essential woodworking tools
Essential woodworking tools

Use hardwood. Maple and beech resist the blade contact well and take an oiled finish cleanly. Walnut if the kitchen is dark and rich-looking. Bamboo is affordable and hard enough. Avoid pine and cedar — they develop blade marks quickly and do not clean up as well. Avoid resinous woods that might transfer flavors. Slot the blocks edge-down for blade storage, never edge-up. Adequate slot depth keeps knives from tipping out when the drawer opens sharply.

Angled slots — about 20 degrees from vertical — make knife removal easier and look nice when the drawer opens. Vertical slots work fine functionally. Choose based on drawer depth and personal preference.

For finish, use mineral oil. It is cheap, food-safe, and easy to reapply. Multiple coats, letting each absorb fully. Reapply once a year or when the wood starts looking dry. If you want to add magnets, inset rare earth magnets behind the slot faces before final assembly — they hold heavy knives more securely than friction alone. Drill small drainage holes through slot bottoms if you want to be thorough about what happens when a slightly damp knife goes in. Rubber feet on the bottom prevent the block from sliding when you pull a knife out quickly.

The finished block keeps knives accessible, protected, and permanently off the counter. The project takes an afternoon. It is one of those kitchen upgrades that people notice immediately and ask about, which makes it a good gift for anyone who cooks seriously and complains about counter space.

William Crawford

William Crawford

Author & Expert

William Crawford is an architectural historian and preservation specialist with a focus on classical and traditional architecture. He holds a Masters degree in Historic Preservation from Columbia University and has consulted on restoration projects across the Eastern Seaboard.

378 Articles
View All Posts

Stay in the loop

Get the latest wildlife research and conservation news delivered to your inbox.