Whether you're replacing an old window screen or ordering a new one, knowing how to measure window screen size correctly is crucial. A poorly fitting screen can lead to pest problems, reduced airflow, or even damage to the window itself. Fortunately, measuring your window screen size is a simple task that requires just a few tools and some basic knowledge. In this article, we’ll walk you through everything you need to know.

Why Measuring Window Screen Size Matters

Window screens are not one-size-fits-all. Each window may have slightly different dimensions depending on its frame, age, and manufacturer. Measuring accurately ensures that your replacement screen fits snugly and functions effectively—whether you're keeping bugs out, letting fresh air in, or both.

Tools You’ll Need:

Before you begin, gather the following tools:

• A metal measuring tape (for accuracy)
  
  

• Notepad and pen (or smartphone) to record measurements
  
  

• Step stool or ladder (if the window is hard to reach)
  
  

How to Measure Window Screen Size

1. Remove the Existing Screen (If Applicable)

If there’s already a screen in the window, carefully remove it. This allows you to measure the screen directly, which is often more accurate than measuring the window frame.

2. Measure the Width

Lay the screen on a flat surface. Use the metal measuring tape to measure from one side to the other. Record the width to the nearest 1/16 of an inch.

Tip: If you’re measuring the window frame instead, measure the inside edge from left to right where the screen would sit.

3. Measure the Height

Measure from the top to the bottom of the screen. Again, record the height to the nearest 1/16 of an inch. Be sure the measuring tape is straight and not curved.

4. Note the Screen Frame Thickness

Measure the depth (thickness) of the screen frame. Common sizes are 5/16", 3/8", and 7/16". This measurement is important to ensure the screen will fit snugly into the window track.

5. Check for Corner Type and Hardware

Take note of any hardware attached to the screen, such as spring clips, lift tabs, or plunger pins. Also, identify the type of corners used—some are square, while others may be mitered. This helps ensure compatibility with your window.

Special Considerations

• No Existing Screen?
  Measure the inside width and height of the window frame where the screen will be installed. Then, subtract about 1/8” from each dimension to allow for a comfortable fit.
  
  

• Custom Windows?
  If your windows are custom-made, consider consulting the manufacturer or hiring a  local professional to ensure precise measurements.
  
  

Conclusion

Learning how to measure window screen size is an easy yet essential task for maintaining comfort and efficiency in your home. With just a few tools and some attention to detail, you can get accurate measurements and avoid the hassle of poorly fitting screens. Whether you're a DIY enthusiast or a homeowner tackling seasonal maintenance, accurate screen sizing will save you time, money, and frustration.

Pro Tip: When ordering a replacement screen, always double-check your measurements and provide exact dimensions to the supplier. Some companies may also request the screen type, frame color, and hardware details.

Need help finding the right screen? Contact Us Today! The WHD Team will be happy to help.