Learn how to measure window screens.
The DIY way to accurately get screen measurements for windows.
If your existing window screens have at least one side of the width and of the height not bent. Then you can easily measure your replacement screen by measuring the existing window screen.
Measure and write down the width by length. Verify which type of window you have and determine the thickness of screen frame you need.
Determine if you need tension springs and or pull tabs. Also determine if you need them installed on the side or top / bottom. Pull tabs generally go on the opposite side of the springs. Some window screen have only pull tabs and no tension springs.
Most noteworthy, keep note that in many homes the window screens sizes will vary from window to window
Types of windows
There are many types of windows and the materials used to manufacture windows. Materials used include vinyl, aluminum, wood, fiberglass, and composite. These material variables have a wide variance of window screen frame thicknesses. Overall there are three basic screen frame sizes that will be in 90% of the windows in the United States. These sizes are; 5/16″, 3/8″, and 7/16″ frames.

How do I determine which screen frame thickness to use?
On the website our window screen products include a description which explains if that type of window it can be installed into.
- 5/16″ Frame – Vinyl Windows
- 3/8″ Frame – Aluminum Windows
- 7/16″ Frame – Wood Framed Windows “Jiffy hangers are needed to install.
Measuring for window screens can be confusing. Hopefully this list will help you under the various types of windows and how to measure for your window screens.
There are two ways to get a proper measurement.
- The first is when you have the old screen available.
- The second is measuring the window frame channel, which may require additional knowledge. Especially on how to read a tape measure.
How to measure a window screen on a horizontal slider window
Steve also explains the challenges people can face when measuring and ordering window screens. A lot of time when you have these window screens and you measure them, you know you might measure it and sometimes it may not fit. You may have to trim it down.
Be advised when you are with measuring window screens not everyone is an expert even the experts. Therefore you will need a chop saw or a hack saw to trim your frames and also the rolling tool to rescreen the screening back into the frame. If you are planning on doing window screens yourself, make sure that you have those tools available and you can do that. Don’t expect to order a window screen and have it fit all the time. Just because if you measure you measure correctly, for some reason, sometimes they just don’t fit.
Measuring window screens accurately is essential for ensuring a proper fit, whether you’re replacing old screens or installing new ones. Here’s a step-by-step outline on how to measure window screens:
Easy Way to Measure Screens

Additional Steps
1. Gather Necessary Tools
- Measuring tape (preferably a metal one for accuracy)
- Notepad and pen for recording measurements
- A ladder or step stool, if the window is high
2. Understand Measurement Terms
- Width: The horizontal distance from one side of the screen frame to the other.
- Height: The vertical distance from the top to the bottom of the screen frame.
- Depth or Thickness: The thickness of the screen frame, usually less critical but necessary for certain types of windows.
3. Measure the Width
- Measure the width from the left side of the screen frame to the right side.
- Take measurements at the top, middle, and bottom for accuracy.
- Use the smallest measurement to ensure the screen fits within the window frame.
4. Measure the Height
- Measure the height from the top of the screen frame to the bottom.
- Take measurements on the left, center, and right sides.
- Again, use the smallest measurement to avoid sizing issues.
5. Check for Special Features
- Determine if the window screen has any special features like tabs, springs, or clips that are used for installation. These features might affect how you measure and order your screen.
6. Record Your Measurements
- Write down your measurements clearly, specifying which is the width and which is the height.
- It’s a common convention to list measurements as Width x Height (W x H).
7. Double-Check Measurements
- It’s crucial to double-check your measurements for accuracy. Even a small error can result in a screen that doesn’t fit.
8. Consult Manufacturer Guidelines
- If you’re ordering custom screens, consult the manufacturer’s guidelines for measuring and ordering. They may have specific requirements or tips for their products.
9. Consider Professional Help
- If you’re unsure about your measurements or the process, consider consulting a professional. This can be especially useful for windows that are high up, unusually shaped, or have unique installation requirements.

By following these steps, you should be able to accurately measure your window screens for a perfect fit. Remember, precision is key, so take your time and measure carefully.
Take a small tape measure to get the window screen measurement

As you can see there is channel on the both side. 1 side is little less deep and another side is comparatively deeper.

Fit the little tape measure in the deeper groove side of the channel.
Measure it from there to the edge of the other side.
After taking the width measurement please deduct 5/16″

Now, lets measure the height. The deep channel is on the top Now put the tape measure in the bottom and measure to the edge of the top channel.

How to measure window screens on a single hung or double hung window
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Our comprehensive “How-To” instructions are designed to guide you through every step of installing, measuring, and maintaining your screens, blinds, and shades. Whether you’re a DIY enthusiast or just need a little help, these resources provide clear and concise directions for a wide range of products. Make sure to explore the full list of our helpful guides available here:
These guides are crafted to ensure your projects are completed with ease and accuracy, giving you professional results every time.
Best Custom Screens also carries the best screen doors, including Sliding Screen Doors, Swinging Screen Doors, Storm Doors, and Retractable Screens. Plus we also carry blinds too. Get yours today!












