How to Cut 45 Degree Angle Baseboards With a Hand Saw

Updated February 21, 2017

When putting together two baseboards, you need to make a joint between the two. When joining two straight pieces, you can use a 45-degree cut to make the seam appear as small as possible, and you can also use a 45-degree cut when you're trying to meet another piece of baseboard in a corner. Use a mitre box and hand saw to make these cuts.

With the pencil, mark the baseboard where you want the cut to be.

Set the mitre box on the ground and locate the two 45-degree slots in the box, which are labelled. Insert the baseboard in the mitre box, aligning the line you made in step 1 with the 45-degree slot in the box in the direction you require. Verify that the baseboard is vertical in the mitre box, and that the inside edge of the baseboard is flush against one side of the mitre box.

Position the handsaw in the 45-degree slot in the mitre box so that it's above the baseboard. Pull and push the handsaw back and forth in short strokes while holding the baseboard against the mitre box with your other hand. The slot works as a guide for the saw so that you can cut the baseboard accurately. Continue sawing until the baseboard is cut completely.

Things You'll Need

  • Mitre box
  • Hand saw
  • Baseboard
  • Pencil
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About the Author

Russell Wood is a writer and photographer who attended Arizona State University. He has been building custom cars and trucks since 1994, including several cover vehicles. In 2000 Wood started a career as a writer, and since then he has dedicated his business to writing and photographing cars and trucks, as well as helping people learn more about how vehicles work.