Circular saw guide

Make straight cuts with a circular saw using this saw guide.


saw fence


If you’re like me, you use a circular saw on occasion, but you’re no expert. The idea of making a 4 foot long cut in a perfectly straight line is laughable. Don’t fret, after you assemble this super easy to make guide, you’ll never doubt yourself again.

Here’s all you’ll need to make this simple circular saw guide:

  • 1/2″ plywood* cut to 4′ x 12″
  • 1/2″ plywood* cut to 4′ x 3″
  • 3/4″ flat head wood screws (5)
  • Circular saw

*I used higher quality Russian birch plywood because I wanted to make sure the wood wouldn’t splinter or warp over time, but regular plywood is ok too. You can actually purchase a small 2′ x 4′ sheet of Russian birch at Home Depot.

Start by measuring the distance between your circular saw’s blade and the left edge of the footplate’s edge. Mine was about 4 inches.

Lay tsaw guidehe 3″ piece of plywood (fence) flat on top of the larger 12″ piece. Measuring from the right side of the 12″ piece, make sure to leave the the distance distance between your saw’s blade and the footplate edge (4″ in my case), plus an extra 1″. Screw down the fence to the 12″ strip, spacing your screws every 12″. Make sure you also leave at least 3 inches on the left side of the fence to be able to clamp down the guide when making your cuts.

Now you’re ready to trim the guide for a custom fit to your saw. Lay the guide flat onto a supported piece of scrap plywood and clamp it down. Trim the guide by running the footplate flat against the fence.

Now you have a cutting guide customized to your circular saw that will let you make a perfect cut every time.   

Like this article? Visit the tips & tricks section for more ideas like this.

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