How to Cut Dovetails (and What You Actually Need)

A dovetail joint interlocks angled "tails" on one board with matching "pins" on the other, so the joint mechanically resists being pulled apart. It is the joint people point at. It is also completely learnable in an afternoon of practice cuts — the tools matter far less than the marking and the sawing to a line. This guide maps the tools to the job so you buy the right ones, then walks the steps.

The two routes: by hand or with a jig

You can cut dovetails two ways. By hand you need a dovetail saw, a marking gauge, a sliding bevel or dovetail marker, and sharp chisels — this route builds real skill and needs the least money. With a jigyou clamp the work, fit a dovetail bit in a router, and the jig guides the cut — faster and more repeatable, but you spend on the jig and give up some of the hand-cut look unless you buy an adjustable one. Neither is "correct"; pick the one that fits how you want to work.

What each tool actually does

• Marking gauge — scores the baseline that tells you how deep to cut. A crisp scored line, not a pencil line, is the single biggest factor in a tight joint. See our note on a basic layout kit.
• Dovetail saw — a fine-toothed backsaw that cuts the tails and pins to your lines. Cutting straight to a line is the skill that matters most.
• Chisels — chop out the waste between the pins and tails and pare the joint clean. Sharp is non-negotiable; a dull chisel crushes rather than cuts. Our chisel roundup covers what to buy.
• Dovetail jig + router (jig route only) — replaces the saw and much of the chisel work with a guided router cut. See the dovetail jig roundup.

The steps, in order

1. Mark the baseline. Set your marking gauge to the thickness of the mating board and score a line around both pieces. This line is where your cuts stop.
2. Lay out the tails. Mark the tail angles and spacing on the end grain of the first board, using an accurate square to carry your knife lines across the face square to the edge. Even spacing is easiest to start with; vary it later for the hand-cut look.
3. Saw the tails. Cut down to the baseline on the waste side of each line, keeping the saw vertical and following the angle you marked.
4. Chop the waste. Remove the waste between the tails with a chisel, working from both faces to the baseline.
5. Transfer to the pins. Stand the tail board on the pin board and trace the tails to mark the pins exactly — this transfer is what makes the joint fit.
6. Saw and chop the pins, then test the fit and pare any tight spots with a sharp chisel until the joint slides together with hand pressure.

What a first-timer can skip

You do not need an expensive saw, a marking knife and a gauge, or a full set of chisels to start. A single dovetail saw, one marking gauge, and two or three sharp chisels will cut a perfectly good joint. Practice on scrap of the same thickness as your project stock before you commit — the first three joints are where all the learning happens.

What we could not verify

We don't claim to have timed these steps in a lab or benchmarked one saw against another with instruments — we don't run a test lab. This is the standard sequence taught across the craft, laid out plainly, with the tool recommendations pointing to our roundups where we explain each pick.