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Window Measurements for Replacement Windows

If you aren’t sure how to get proper window measurements for your new windows, or you don’t have much construction experience, it’s a good idea to leave the work up to a professional.

At Glass Doctor®, our certified professionals can take accurate window measurements and install replacement windows quickly and efficiently. Schedule an appointment with us today at 855-603-1919.

What Are Standard Window Measurements?

house windows

When you’re thinking about replacing your windows, it’s important to understand the standard size notations that windows are given. This will help you get an idea of what size you want your custom windows to be.

Most windows have standard, consistent dimensions that are designed to fit into the common rough opening sizes in homes.

While these dimensions won’t work for every window replacement, they are designed to fit most homes.

Take a look at two of the most common window measurements:

2020 Window

The 2020 window is a common type of window within most standard window sizes and measures 24 by 24 inches. There is 1/2 inch taken off of the height and width of the window to ensure proper fit, making it a “2020 window.” These dimensions are common in both new and old homes.

3838 Window

Another common window opening is the 3838 window, which measures 44 by 44 inches. This window is given its name because it measures 44 by 44 inches in size, but 1/2 inch is taken off for width and height.

How Do I Measure Windows?

Regardless of if you have windows in brick, rock, wood siding or stucco, here’s how to measure the width, height and depth of your current windows:

  • Width—Get measurements from the top, middle and bottom of the window opening. Measure from the surface of the jambs, instead of the trim strips or parting beads. Use the smallest of these three measurements when creating a custom window.
  • Height—Measure from the high point of your windowsill to the top of the window opening. Make sure to measure on the left side of the sill, in the center and on the right side of the sill. Use the smallest measurement for your new window.
  • Depth—There should be 3 1/4 inches of depth between the inside window trim and the exterior blind stop strip.

Note that 1/2 to 1/4 inch will be subtracted from the width and height to ensure your new window fits properly in the opening.

rain glass shower door

Custom Window Solutions at Glass Doctor

hallway skylight

At Glass Doctor, we offer a variety of custom window solutions that can save on energy costs and increase your home’s overall curb appeal.

Take a look at some of the custom window solutions that we offer:

  • Double-pane windows (Insulated Glass Units, or IGUs) and Low-Emissivity (Low-E) windows
  • Bay windows for your kitchen, living room, dining room and bedrooms
  • Skylights that increase natural lighting in hallways or bathrooms
  • French doors and custom glass patio doors

Install New Windows with Glass Doctor Today

Ensure your replacement windows fits properly by calling Glass Doctor to take accurate window measurements of your existing windows. Schedule an appointment with us today at 855-603-1919.

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Sources:

House Method: https://housemethod.com/renovation/benefits-of-double-pane-windows/

Fine Homebuilding: http://www.finehomebuilding.com/2015/06/24/how-to-measure-for-replacement-windows

Modernize: https://modernize.com/windows/standard-sizes