How Deep Can You Cut With a Circular Saw?

It’s a common question: how deep can a circular saw cut? It completely depends on the size of the blade. The blade is available in a variety of sizes. Every size of the saw offers a different cutting depth. If the diameter of your blade is large enough, then you will get a deeper cut. In this article, we will cover a variety of circular saw blades and how deep they can cut.

How to Measure a Circular Saw Blade?

Measuring a saw blade is really important, especially when you need to change the blade but you don’t know the measurement. To measure a blade, you need to know the diameter, number of teeth, and many more. Basically, you can measure a blade in a variety of ways. Here I am going to show you the 2 most popular and easiest ways for measuring a circular saw blade.


First of all, you have to manage a measuring tape. Then you need to remove the safety guard of your tool and keep that on a wooden surface or something like that. Then simply start measuring from the edge of any one of the saw teeth with the measuring tape. You can measure multiple teeth to make sure the measuring data is accurate.


In this case, you just make cut any wooden piece for test purposes. Once you cut the material, then you can simply measure the depth with your measuring tape. The process is also simple. In fact, you will get precise data with this method.

Circular Saw Cutting Depth

Well, we’ve mentioned earlier that the cutting depth varies from blade to blade. Let’s see some of the common questions on the cutting depth of circular saw blade.

How deep can a 5 ½ inch circular saw cut?

The 5 ½  blade offers the maximum cutting depth of 1 ¾ inch at 90 degrees as well as 1-3/16 inches at 45 degrees.

Recommended model: Makita 5005BA 5-1/2″ Circular Saw


  • Blade diameter: 5-½ inches
  • Arbor: 5/8″
  • Max. cutting capacities: at 90° 1-3/4″; at 45° 1-3/16″
  • No-load speed: 8,000 rpm

How deep can a 6 ½ inch circular saw cut?

A 6 ½ inches blade is one of the most popular blades. Perhaps, it is the second most popular blade after the 7 ¼ inches blade. With a 6 ½ blade, you will get max. cutting depth of 2-13/32 inches at 90 degrees, and 1-11/16 inches at 45 degrees.

At a glance:

Max. cut at 90°: 2.40625 inches

Max. cut at 45°: 1.6875 inches

Recommended model: DEWALT DCS391B 6-1/2-inch circular saw


  • Brand: Dewalt
  • Blade diameter: 6-½ inches
  • Arbor: 5/8″
  • Max. cutting capacities: at 90° 2-13/32″; at 45° 1-11/16″
  • No-load speed: 5150 rpm

How deep can a 7 ¼ inch circular saw cut?

There is no doubt that it is the most popular saw size. Because it is suitable for handling a variety of tasks. That’s why it’s widely popular among both professionals as well as DIYers.

Want to know how deep can a 7-¼ inches circular saw blade cut? Well, the blade provides the max. cutting depth 2 ½″ at 90 degrees. On the other hand, you will get a 1 13/16″ of cutting depth at 45 degrees.

At a glance:

Max. cut at 90°: 2.5 inches

Max. cut at 45°: 1.1875 inches

How deep can an 8 ¼ inch circular saw cut?

The 8 ¼ inches saw is a bit larger than that of a standard size, for example, 7 ¼ inches saw. So surely it will offer a bit larger cutting depth. Well, with an 8 ¼ inches saw, you will get 2 ⅞” cutting depth at 90 degrees. When you will set the bevel angle at 45 degrees, then it will provide a 2 ¼” cut. However, some 8 ¼ inches circular saws provide up to 3 inches cut at 90°.

At a glance:

Max. cut at 90°: 2.875” to 3” (depending on the saw) 

Max. cut at 45°: 2.25” inches

Recommended model: Makita 5008MGA 8-1/4″ Magnesium Circular Saw


  • Brand: Makita
  • Diameter of the blade: 8-¼ inches
  • Arbor: 5/8″
  • Cutting capacities: 3 inches at 90° (51° bevel capacity with positive stops at 22.5°.)
  • No-load speed: 5200 rpm

How deep can a 12-inch circular saw cut?

Well, a 12” saw can cut up to 4” in general. But some models may offer larger cutting depth.

How deep can a 14-inch circular saw cut?

Basically, a 14” saw can make around 5” deep. But some models offer more cutting depth, for instance, Big Boy 14” Beam Saw provides 5-⅜ inches deeper cut.

How deep can a 16-5/16 inch circular saw cut?

Perhaps, this is the largest saw type so far as I know. However, the saw can cut 6 times more materials when the blade is set at 90 degrees, and it can cut 4 times more materials at a 45-degree angle. To be more specific, it can make 6-3/16” deep at 90° as well as 4-3/16” deep at 45°.

How to Adjust the Cutting Depth on the Circular Saw?

It’s very crucial to adjust the blade in the right position to make an accurate cut. Well, you can set the right cutting depth in the following ways.

How Deep Can You Cut With a Circular Saw?

The Process:

The fast and traditional way of adjusting the perfect cutting depth is to sliding your blade with respect to the cutting material. In this way, you can set the cutting height precisely.

More specifically, you have to unplug your saw from power sources (need to remove the battery of it is cordless battery-powered saw).

And then you need to loosen the blade knob (depth adjusting lever) and ensure that the blade is set in the right position. Once the blade is set in the appropriate position, you need to tighten the knob to secure the blade position.


Alright, now you have a better understanding of how deep can a circular saw make. You know that circular saw is available in a variety of sizes. Different brands come in different models and sizes.

And we mentioned in the article that the cutting depth may vary based on the size of the saw blade. In fact, we’ve covered the cutting depth of most of the saw sizes. However, if you’d like to know any particular question, simply write it down in the comment section below.

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