I set up my first table saw wrong. I squared the fence to the blade, felt good about it, made a few test cuts, and spent the next six months wondering why my rip cuts had a slight drift and occasional burning on one side. Turned out I’d done everything backwards — I’d aligned the fence before I’d aligned the blade, which meant I was chasing a moving target the whole time.

That’s the mistake most people make. So in this guide I’m going to walk you through the correct sequence from scratch, explain what tools actually do the job well (including the free method that works almost as accurately as a $150 gauge), and point out where each saw type — cabinet, contractor, hybrid, jobsite — is different.

By the end of this you’ll have a properly dialed-in saw that cuts straight, doesn’t burn, and won’t surprise you with kickback.

Most woodworkers know misalignment causes burn marks and drift, but it goes deeper than that. When your blade isn’t parallel to the miter slot, several things happen at once:

• The wood contacts the back of the blade after the cut, creating friction, heat, and scorch marks
• The miter gauge pushes wood at an angle to the blade rather than straight through — so your crosscuts are never quite square
• The wood gets pinched, especially toward the end of the cut, which is one of the most common causes of kickback
• You’re constantly fighting the cut rather than just guiding it

A properly aligned saw, on the other hand, just works. The wood feeds smoothly, the cut is clean, and you’re not working against the machine. It’s one of those adjustments that fundamentally changes how the saw feels to use.

The good news is that once you’ve aligned a table saw properly, it usually stays that way for months or years — unless you move it, have a hard kickback event, or do something that physically shifts the trunnions. You don’t need to do this every week. But you do need to do it right at least once.

The four alignment points on a table saw — blade to miter slot must always be done first.

Here’s something most alignment guides don’t tell you upfront: you can do a perfectly acceptable table saw alignment with tools you probably already own. You don’t need to buy anything. But there are dedicated alignment tools that make the job faster, easier, and more precise — and a few of them are genuinely worth the money if you use a table saw regularly.

The Free Method — Combination Square + Marked Tooth

A good combination square is all you actually need to check blade-to-miter-slot alignment. You mark one tooth with a permanent marker, set the square in the miter slot, extend the ruler until it just touches that tooth at the front, lock it — then slide to the rear and check the same tooth. If the ruler touches equally at both ends, you’re parallel. If there’s a gap at one end, that’s your measurement.

The limitation is that you’re relying on the feel of the ruler touching the tooth, which introduces human error, and the miter slot-to-blade distance on most saws is only 5–6 inches, which means a small misalignment produces a very small measurement. A 0.003-inch error across 5 inches is almost invisible to the naked eye. It works, but it takes patience and careful hands.

Dedicated Alignment Tools Worth Knowing About

If you want to do this faster or more precisely, there are three categories of tools worth knowing about:

The dial indicator gives you a precise number rather than a feel — even a 0.002″ deviation shows clearly on the needle.

Tool Comparison at a Glance

My honest recommendation: a $35 dial indicator gauge from Amazon plus a $20 digital angle gauge covers 95% of table saw alignment needs for about $55 total. You don’t need the Woodpeckers system unless you’re doing this on multiple machines regularly or you’re the kind of person who wants the best tool for every job.

Work through these four alignments in order. Each one depends on the previous one being correct first.

Step 1 — Blade Parallel to the Miter Slot

This is the foundation. Every other alignment reference on your saw — the fence, the miter gauge, the crosscut sled — ultimately traces back to the miter slot. So the blade has to be parallel to the slot before you touch anything else.

Raise the blade to its full height. Pick one carbide tooth and mark it with a permanent marker. You’ll be rotating the blade throughout this process and you need to always measure from this same tooth to eliminate blade runout from your readings.

1. 1Place your dial indicator gauge (or combination square) in the miter slot closest to the blade. Slide it until the probe just touches your marked tooth at the front of the blade. Zero the dial indicator — or note the combination square position.
2. 2Rotate the blade by hand so the marked tooth is now at the rear. Slide the gauge to the rear and take the reading from the same tooth. If the reading is zero (or the square sits identically), the blade is parallel. If not, note how much the deviation is and which direction.
3. 3The target is less than 0.003 inches difference front to rear. Some woodworkers prefer 0.001–0.002 inches with the rear of the blade very slightly further from the slot (called “splayed out”) — this gives the back of the blade a tiny amount of clearance. It is never acceptable to have the rear of the blade closer to the slot than the front (called “toed in”) — that causes burning and kickback.
4. 4If an adjustment is needed, consult your saw’s manual to locate the adjustment mechanism. On cabinet saws, you loosen the four table mounting bolts and shift the table top itself. On contractor and hybrid saws, you loosen the trunnion bolts and tap the trunnion sideways with a dead blow hammer. On jobsite saws, check your manual as some are not adjustable at all.
5. 5Make small adjustments and recheck each time. Retighten the bolts and verify the measurement didn’t shift during tightening — it often does. This step can take 10–15 minutes of iterating.

Mark one tooth clearly before you start — this lets you rotate the blade and always measure from the exact same reference point.

Step 2 — Fence Parallel to the Miter Slot (and Blade)

Once the blade is parallel to the slot, aligning the fence is simple — because the fence just needs to match the slot, and the slot is now parallel to the blade.

1. 1Lock the fence at a convenient distance from the blade — 6 inches works well. Measure the distance from the miter slot to the fence face at the front of the saw.
2. 2Slide to the rear and measure the same distance. The two readings should be equal.
3. 3The fence should be either dead parallel or very slightly open at the rear — meaning the rear of the fence is 0.001–0.003 inches further from the slot than the front. Never set the fence so it toes in toward the blade at the rear.
4. 4Most fences adjust via a cam or set screw on the front guide mechanism. Adjust, lock, and recheck. This usually takes just a few minutes.

Checking fence alignment at both front and rear — the rear should be equal or a hair more open than the front reading.

Step 3 — Blade Square at 90°

With the blade parallel to the miter slot, now check the blade is perfectly vertical — 90° to the table surface. This is what governs whether your rip cuts come out square or slightly beveled.

1. 1Set the bevel adjustment to 0° and lower the blade so about 1 inch of blade clears the table surface — less blade height means less flex when you push the square against it.
2. 2Place a reliable square or digital angle gauge flat against the blade body (not the teeth) and check if it reads exactly 90°.
3. 3If there’s any deviation, adjust the 90° bevel stop according to your saw’s manual. This is usually a small set screw that limits the blade travel at the vertical position.
4. 4Make a test crosscut on scrap, then check the cut face with a square. The cut face should be perfectly vertical.

Step 4 — Blade Square at 45°

The 45° bevel stop is, in my experience, almost always slightly off from the factory — even on quality saws. Most people never check it. If you’ve ever cut miter joints that were close but didn’t close perfectly, this is likely why.

1. 1Tilt the blade to the 45° position and place a digital angle gauge or drafting triangle against the blade face. Read the angle precisely.
2. 2Adjust the 45° bevel stop screw until the blade reads exactly 45.0°. This is a separate screw from the 90° stop — consult your manual for its location.
3. 3Verify by cutting two pieces of scrap at 45° and placing the cut faces together — they should form a perfect 90° angle with no gap.

A digital angle gauge reads in tenths of a degree — far more reliable than a square alone for setting bevel stops precisely.

The alignment process is the same across all table saw types, but the physical adjustment mechanism is completely different depending on your saw. If you adjust the wrong part, at best nothing happens — at worst you make things worse.

Cabinet Saws

The trunnions are bolted directly to the heavy steel cabinet base. The table top sits on top and can be shifted relative to the cabinet. To align blade-to-miter-slot, you loosen the four table mounting bolts about half a turn, tap the table edge gently with a dead blow hammer in the needed direction, and retighten. The table itself moves; the blade assembly stays fixed. This is actually the easiest type to align because the adjustment is very controllable.

Contractor and Hybrid Saws

Here the trunnions are bolted to the underside of the table — so the table and the motor move together as one unit. To align the blade to the miter slot, you loosen the trunnion bolts and tap the trunnion sideways with a hammer and drift punch. This is trickier because the trunnion isn’t easy to get at and small taps can move it more than you expect. Some hybrid saws have accessible adjustment screws — check your manual before assuming you need a hammer.

Jobsite and Contractor Portable Saws

Many lighter portable saws have the arbor assembly attached to the table. On these saws, the blade is permanently aligned with the miter slots and there’s nothing to adjust. What CAN be out of alignment is the fence (always adjustable) and the bevel stops (usually adjustable). If you have a jobsite saw that cuts with a consistent drift, it’s almost certainly a fence alignment issue, not a blade issue.

On contractor and hybrid saws the trunnion bolts are under the table — you’ll need to reach under or tip the saw to access them.

A lot of woodworkers over-think this. A cast iron cabinet saw that hasn’t been moved in three years almost certainly doesn’t need realigning. But there are specific events that can shift a saw out of alignment:

• Moving the saw. Even rolling it across the shop floor can be enough to shift alignment slightly on lighter contractor or jobsite saws. After any move, spend 5 minutes doing a quick check.
• Hard kickback events. A significant kickback puts a lot of force on the arbor and table. Afterwards, check your blade-to-miter-slot alignment before continuing.
• After replacing the blade or arbor. New components can have slightly different dimensions. Always verify after installing a new blade.
• When cuts start drifting or burning appears on one side only. These are the diagnostic signs. Don’t assume it’s operator error before checking alignment.
• When you first set up a saw. Factory alignment is often close but rarely perfect. Do a full alignment before your first real project cut.
• Annually, as a maintenance check. Even if nothing obvious has changed, a once-a-year 15-minute check keeps you from gradually developing drift you’ve learned to compensate for without realizing it.

Once you’ve done a full alignment and it’s right, it usually stays right. The only exception is jobsite saws that get transported frequently — those should be checked every time they’re set up at a new location.

Table saw alignment isn’t complicated once you understand the order and the logic. The miter slot is your fixed reference. The blade aligns to the slot first. The fence aligns to the slot second. The bevel stops are last. Everything else on the saw — your miter gauge, your crosscut sled, your fence measurements — is downstream from those four points being correct.

For most woodworkers, a $35 dial indicator gauge and a $20 digital angle gauge is all the tooling they’ll ever need. The free combination square method works too, just takes more patience. And the Woodpeckers system is genuinely excellent if you want the best and use it often enough to justify it.

If you’ve just gone through this process and found a badly misaligned saw that you couldn’t fully correct — especially if the trunnion adjustments are bottomed out with the blade still not reaching parallel — drop your saw model in the comments and I’ll help you figure out whether that’s what you’re dealing with.