What Are the Standard Window Sizes?

There is really no such thing as a standard window size, although, there are certain sizes that are more common than others. Home improvement centers will carry an assortment of popular window sizes, but that does not mean they will fit all windows. It is necessary to measure each and every window to ensure the best possible fit.

Standard Window Size and Pricing

The term standard window size actually has nothing to do with measuring for replacement windows. It refers to the way windows are priced. A window is generally priced by the united inch. This is the width measurement plus height measurement. For example, with a window that measures 24 inches wide by 48 inches high, the formula would be 24 + 48 = 72 united inches. Anything under 100 united inches is considered a standard window size.

Window Manufacturers

Window manufacturers produce what they deem to be standard window sizes, but there is no consensus or regulation on what the standard window size actually is. Therefore, every manufacturer's dimensions are slightly different. This is why it is best to custom order replacement windows. It ensures that the windows will have the best fit.

Types of Windows

Single and double hung windows are the most common windows found in homes. They range in size from 24 to 30 inches wide by 48 to 56 inches high. Sliding windows are also popular in home construction. These windows feature two panels mounted side-by-side and range in sizes from 24 to 48 inches by 23 to 36 inches. However, there are also picture windows and bay windows which are usually much larger. Bathroom and basement windows typically are smaller. Take careful measurements and buy windows that fit the opening as closely as possible.