

Standard double hung window sizes range from 24" to 48" wide and 36" to 72" in height. Double Hung Window Sizesĭouble hung windows are a popular choice and come in a variety of sizes. Wide by 71 ½", then you'll be looking for a 3672 window, or a window that's roughly 36" by 72". For instance, if you're measuring the standard window size for bedroom renovations, and your measurements are 35 ½” To get the right window size, you'll typically add half an inch to your measurements, as manufacturers subtract half an inch to make room for installation. Write the dimensions for the width of standard windows first, followed by the height. The smallest of the measurements is the number you’ll use for standard window dimensions. To measure a window, simply note the dimensions across the top, middle and bottom of the window horizontally, and then measure the left, middle and right side of the window vertically. If you're ready to figure out the standard window size for any window in your home, you'll have to measure it excluding the frame itself.

For example, a 2426 window means the standard window width is 2'4" and the standard window height is 2'6". Most window manufacturers have pre-set window sizes given in terms of width and height in a four-digit number. If you're looking to remodel or renovate your home, you want to know what is the standard window size before you start. If you’re looking to redesign your home, understanding the process of how to size your windows correctly means you can save yourself time, money, and most importantly, the headache that comes with costly custom window mismeasurements! Learn more about standard window sizes here. Knowing the precise size of your windows is essential if you’re replacing or installing new windows anywhere in your home.

Most window manufacturers - Window World included - have a few standard window sizes that are designed to fit most homes.
