Table Saw Taper Jig: How to Make and Use One Safely

A taper jig is a sled that holds a workpiece at a fixed angle as it rides past the table saw blade, so the cut gradually narrows the material along its length instead of cutting straight. It’s the standard way woodworkers cut tapered furniture legs, and it exists because trying to freehand a tapered rip cut without one is a genuinely bad idea — there’s no way to safely guide an angled workpiece past the blade using just your hands and the fence.

Why you can’t just freehand this cut

A normal rip cut works because the workpiece rides flat against the fence the entire way through. A tapered cut needs the workpiece angled relative to the blade, which means it’s no longer flush against the fence, and without something holding that angle steady, the material has nothing stopping it from twisting, binding, or catching the blade unpredictably. A taper jig solves this by doing what a fence normally does, just at a fixed angle instead of parallel to the blade — it becomes the new reference surface riding against your actual fence.

Two-sided vs. four-sided tapers

Most taper jig projects are furniture legs, and the taper is usually cut on either two faces or all four, depending on the look you’re after. A two-sided taper — cutting only the two inside faces of a leg — is common on tables where those faces face into the piece and aren’t as visible. A four-sided taper tapers every face evenly, which means rotating the leg 90 degrees and running it through the jig again for each additional face, using the same jig setting each time so all four cuts stay consistent.

Commercial jigs vs. building your own

Commercial taper jigs range from simple designs — two hinged pieces of aluminum with a mechanism to lock in an angle — up to more elaborate versions with toggle clamps and adjustable tracks for holding the workpiece at a precise angle. They’re a reasonable option if you want something ready to use without a build project.

Building your own is just as common, and genuinely not difficult. Most shop-built taper jigs use a flat plywood base, a pivoting arm or adjustable stop that sets the angle, and some kind of hold-down system — clamps, toggle clamps, or a T-track with hardware — to keep the workpiece from shifting mid-cut. A well-built shop jig can match or exceed a basic commercial one, and the size and clamp spacing can be built around your specific projects rather than a generic factory design.

How taper amount is actually measured

Tapers are typically described as a rate — “an inch per foot,” for example — rather than a degree measurement, since that’s how the math naturally works out for furniture legs. To figure out your jig setting, you need the workpiece’s finished width at the top, its finished width at the bottom, and its total length. The difference between those two widths, spread out over the length, is your taper rate, and that’s what determines how far your jig angles the workpiece away from parallel.

Most adjustable jigs use a stop block or measured pivot point that lets you dial in this exact number rather than eyeballing an angle, which is what makes an adjustable design worth building over a single-use, one-off version.

Building a basic adjustable taper jig

Materials:

Item	Purpose
1/2″ or 3/4″ plywood, sized to your longest workpiece	Jig base and pivoting arm
Hinge or pivot point hardware	Lets the arm angle relative to the base
T-track	Mounting rail for adjustable hold-down clamps
Threaded knobs and hold-down clamps	Secures the workpiece at different points along the jig
Carriage bolt, washer, and wing nut	Adjustable stop block that locks in the taper angle

Basic build steps:

1. Cut your base panel to a length that comfortably handles your longest expected workpiece, with enough width to ride against your fence and give your hand real clearance from the blade path. A wider base than you think you need is worth it — more distance between your hand and the blade is a real safety improvement, not just a design preference.
2. Attach a pivot point at one end of the base, allowing an angled arm or fence to swing relative to the base.
3. Install an adjustable stop block on a slotted track, using a carriage bolt and wing nut, so you can lock the arm at different angles and repeat that exact setting reliably.
4. Add T-track along the arm or base and fit it with hold-down clamps, positioned so you can secure workpieces of different lengths without the clamps interfering with the cut path.
5. Test the jig on scrap material first, checking that the workpiece stays fully secure through the entire pass before cutting anything you actually care about.

A well-built version of this jig does more than taper legs — the same adjustable angle mechanism works for ripping a straight edge onto rough, unmilled lumber, and some woodworkers use theirs as a jointing jig by locking the arm square instead of angled.

How to use a taper jig safely

Set your jig to the calculated taper angle using the stop block, and lock it down firmly before you do anything else. Position your workpiece in the jig and secure it with the hold-down clamps, checking that it can’t shift side to side or lift during the cut. Run the jig against your rip fence exactly the way you would a standard workpiece, keeping steady, even pressure and a controlled feed rate throughout the pass. For four-sided tapers, cut two opposite faces first, rotate the leg 90 degrees, then cut the remaining two faces using the same jig setting so all four tapers match.

Pair this with a proper push stick or push block for the final few inches of every pass, the same as you would on any rip cut — a taper jig controls the angle, but it doesn’t replace safe hand positioning near the blade.

Common mistakes people make with taper jigs

Skipping the scrap-material test cut is one of the more common ones — a jig that looks secure can still shift slightly under real cutting pressure, and scrap is the place to find that out. Building the jig too narrow, which puts your hand closer to the blade than it needs to be, is another avoidable mistake. Forgetting to keep hold-down clamps clear of the blade’s cutting path, especially on shorter workpieces, can turn a routine cut into a real hazard. And changing the jig’s angle setting partway through a four-sided taper, rather than keeping it locked at one setting for all four cuts, is the fastest way to end up with mismatched legs.

Where a taper jig fits with the rest of your setup

A taper jig is a specialized sled, and it works alongside the rest of your saw’s setup rather than replacing any of it. If your rip fence doesn’t hold a consistent line, the jig riding against it will inherit that same inaccuracy, so it’s worth confirming fence alignment before relying on a taper jig for precise furniture work. If your projects also involve flattening or squaring rough stock, it’s worth knowing a well-built taper jig can pull double duty as a jointing jig, since the core mechanism — holding a workpiece at a controlled angle against the blade — solves both problems. And for the repeat, square crosscuts furniture projects also need, a dedicated crosscut sled is the better tool; a taper jig isn’t built for that kind of cut.

FAQ

Can I cut a taper on a table saw without a jig? Not safely. Without something holding the workpiece at a fixed angle, there’s no way to guide an angled cut past the blade reliably, and the risk of the material binding or getting thrown increases significantly. A taper jig exists specifically to solve this problem.

How do I figure out the right taper jig setting for a table leg? Take the difference between the workpiece’s finished width at the top and bottom, spread over its total length. This gives you the taper rate, which most adjustable jigs let you dial in directly using a stop block or measured pivot point.

What’s the difference between a two-sided and four-sided taper? A two-sided taper cuts only two faces of a leg, usually the ones facing inward on a table. A four-sided taper cuts all four faces evenly, which means rotating the workpiece 90 degrees and repeating the cut at the same jig setting three more times.

Can a taper jig be used for anything besides table legs? Yes. The same adjustable mechanism works for ripping a straight edge onto rough, unmilled lumber, and some versions double as a jointing jig when the arm is locked square instead of angled.

Should I buy a commercial taper jig or build my own? Both work well. A commercial jig is ready to use out of the box, while a shop-built version can be sized and customized to your specific projects for a fraction of the cost, and the build itself is a reasonably simple weekend project.