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How to Cut Baseboard Molding Using a Circular Saw

Billy Ray

Cuts for baseboard trim can be made with a circular saw. Most circular saws have a lever that allows the user to use the tool to cut at the desired angles. Buy the trim and cut it yourself to spruce up your house and save money on a remodel.

Cutting baseboard trim yourself is easier than you think
  1. Make a diagram of the areas to be covered with new baseboard molding. Measure these lengths carefully and write down the measurements. Note if each cut is ending in an inside or outside corner, or if it is a straight cut with no angle.

  2. Set up the sawhorses and lay your trim face down across them so the trim can be easily cut. Make sure you note the bottom and top of the trim.

  3. Carefully measure the proper length on the back of the trim piece. Mark the line using the carpenter's square.

  4. Adjust the circular saw blade to cut at the appropriate angle. For an inside corner, you will cut along the line you have marked on the back of the trim to the inside, so the cut will be the exact length of the measurement, angled inwards. For an outside corner, cut along this line towards an outside angle, so the piece is actually longer than your measurement.

  5. Put all the pieces together to make sure the cuts have been made properly. Recut any pieces that don't fit before mounting to wall with trim nails. Use caulk to fill gaps and nail holes.

  6. Tip

    Measure twice and cut once. Pay careful attention to the angles. Cut a small piece with an angle first and make sure it fits before proceeding with more cuts. Buy an extra piece of trim to practice on first.


    Be very careful when using any power tool. Keep your hands clear of the blade. Wear safety goggles when cutting with the circular saw.