How to Cut Baseboards with a Miter Saw (Step-by-Step Guide)

To cut baseboards with a miter saw, measure and mark the baseboard, set the miter saw angle, position the baseboard on the saw, and make the cut. Follow these steps to create perfect angles for seamless joints and corners.


miter saw


Cutting baseboards with a miter saw is an efficient way to create precise angles for perfect corners and seamless joints. This guide will walk you through the process of cutting baseboards with a miter saw to achieve professional results.

Preparing for the Cut

Before you start cutting baseboards, make sure you have the necessary tools and materials:

  1. Miter saw
  2. Baseboard material
  3. Measuring tape
  4. Pencil
  5. Safety gear (goggles, ear protection, and gloves)


Step-by-Step Guide to Cutting Baseboards

Step 1: Measure and Mark the Baseboard

  1. Measure the length of the wall where the baseboard will be installed.
  2. Add a small allowance for any discrepancies, typically 1/8 inch (3mm).
  3. Mark the required length on the backside of the baseboard using a pencil.


Step 2: Set the Miter Saw

  1. Position the miter saw on a stable work surface.
  2. Set the miter angle based on the type of cut you need to make. For an inside corner, set the miter angle to 45 degrees, while for an outside corner, set it to the complementary angle (135 degrees).
  3. Lock the saw in place to ensure a precise cut.


Step 3: Position the Baseboard

  1. Place the baseboard on the miter saw, with the backside against the fence and the marked side facing up.
  2. Line up the cutting mark with the saw blade.
  3. Hold the baseboard firmly against the fence to ensure a straight cut.


Step 4: Make the Cut

  1. Put on your safety gear, including goggles, ear protection, and gloves.
  2. Turn on the miter saw and let it reach full speed.
  3. Lower the saw blade onto the baseboard, cutting through the marked line.
  4. Raise the blade back up, and turn off the saw before removing the cut piece.


Step 5: Repeat for Other Cuts

  1. Repeat steps 1 to 4 for all necessary cuts, adjusting the miter angle as needed for inside and outside corners.


Step 6: Test Fit and Install the Baseboard

  1. Test fit the cut baseboards against the wall to ensure a perfect fit.
  2. Make any necessary adjustments, then proceed with installation.


Additional Tips for Cutting Baseboards

  1. Cut a test piece: Before cutting the actual baseboard, cut a test piece to ensure the miter angle is correct.
  2. Use a fine-tooth blade: To achieve cleaner cuts, use a fine-tooth blade on your miter saw.
  3. Cope inside corners: For a more professional finish, cope inside corners instead of using a simple miter cut.


Step Task
1 Measure and mark the baseboard
2 Set the miter saw
3 Position the baseboard
4 Make the cut
5 Repeat for other cuts
6 Test fit and install

This table summarizes the steps to cut baseboards with a miter saw.


Safety Precautions When Cutting Baseboards

When cutting baseboards with a miter saw, it’s essential to prioritize safety. Keep these safety tips in mind during the process:

1. Wear Appropriate Safety Gear

Always wear safety goggles, ear protection, and gloves when operating a miter saw to protect your eyes, ears, and hands.


2. Ensure a Stable Work Surface

Place the miter saw on a stable work surface to prevent accidents caused by the saw moving or tipping over during operation.


3. Keep the Work Area Clean and Organized

A clutter-free work area helps to minimize the risk of accidents. Keep tools, materials, and debris away from the cutting area.


4. Maintain the Miter Saw

Regularly inspect and maintain your miter saw to ensure it operates safely and efficiently. This includes checking for damaged or loose components, as well as keeping the saw clean and free of debris.


5. Follow the Manufacturer’s Instructions

Always follow the manufacturer’s instructions for the safe operation of your specific miter saw model.



Cutting baseboards with a miter saw is a straightforward process that involves measuring and marking the baseboard, setting the miter saw, positioning the baseboard, and making the cut. By following these steps and considering additional tips, you can achieve precise cuts and professional-looking results.