How to Measure for New Windows
- Mike Dechand
- May 17, 2024
- 2 min read
Many people across Washington are living in homes with ridiculously old windows; the sills are rotten, there’s paint on the glass, and most of them don’t even open. Not to mention the draft! If that’s you, it might be time to consider getting your windows replaced.
A proper window replacement not only improves the look and value of your home but also saves you money on utility bills with improved insulation. If you’re thinking about making an investment, it’s much easier to get cost estimates if you know the sizes you’ll need. Measuring for new windows can be fairly simple; let’s go over the proper way to measure windows.
Understanding Window Parts Before Measuring for Replacement Windows
Before measuring for replacement windows, it's important to understand the main parts of a window. Knowing these components will help you take accurate measurements and ensure you order the correct replacement window size.
At the bottom of the window is the sill, the horizontal structural piece that often extends slightly beyond the rest of the frame. The outer structure surrounding the glass is called the window frame, which includes the sill at the bottom, the jambs on the left and right sides, and the head at the top. The movable or fixed section that contains the glass is known as the sash. Many windows also feature decorative trim, which adds visual appeal but is not included when measuring for replacement windows.
How to Measure for Replacement Windows
Accurate measurements are essential when replacing windows. Most replacement windows are sized based on their width and height, so these are the dimensions you'll need to record.
Measuring Window Width
Start by placing one end of your tape measure against the inside edge of the left jamb. Measure horizontally across the glass to the inside edge of the right jamb. Do not include the frame or decorative trim in this measurement.
To ensure accuracy:
Measure across the top, middle, and bottom of the window opening.
Keep the tape measure level while measuring.
Record the smallest of the three measurements as the window width.
Measuring Window Height
Next, measure the height of the window by placing the tape measure vertically from the sill to the head of the window.
For the most accurate measurement:
Measure along the left side, center, and right side of the window.
Keep the tape measure straight and vertical.
Record the smallest of the three measurements as the window height.
Measuring for Storm Windows
If you're measuring for storm windows instead of replacement windows, follow the same process but include the window frame in your measurements rather than measuring only the glass area.
Getting Window Replacements
Once you’ve got the width and height measured for your windows, you can shop for replacements! If you live in Western Washington and are considering window replacement, reach out to our team at True Blue. We have a contact form where you can request a quote for window replacements from our esteemed contractors! Whether you need just one replacement window or enough for the whole house, we’ll be happy to help.
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