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What are the most standard sizes in windows? (USA market)

What are the most standard sizes in windows? (USA market)

January 06, 2022

It's not easy to make a replacement or install windows and doors. Specially when you need it, you have to plan in advance, wait for manufacturer to produce, and delivery to you, that's such a long process.

Here reveal: Standard Window Sizes

Average Standard Window: 24×36 inch

24″ wide (up to 28, 32, 40 inches)

36″ tall (up to 44, 52, 54, 62, 72 inches)


aluminum casement window


As you might getting confuse, how I make sure my windows can be installed the standard size?

Here is the way for measuring:

When measuring a window to determine the standard size, you'll need to start by measuring the size of the rough opening (the measurement from the inside of one side of the window frame to the other). Manufacturers, therefore, find the standard size of your window by deducting half and inch for flashing materials and for the window to operate properly.

Tips: smaller windows always can use cement or bricks or wooden to fulfil the gap, but if the windows make too big, it will be big problem for cutting the wall.

Also, here are some other windows most use sizes:


villas aluminum window


Picture Windows: bring you the best view you want

Standard sizes up to 5′ wide and 6′ high


Ranging from 24-96 inches in width and 12-96 inches in height

Sliding Windows: use most in kitchen, bedroom, basements

In standard sizes ranging from 36-84 inches in width and 24-60 inches in height.

Bay Windows: Wider your living room and open your balcony

Sizes ranging from 3’6” to 10’6” in width and 3’’ to 6’6” in height.

Casement Windows: Support 90 degree opening, can use as emergency exit way

Standard sizes include widths in the 1’2” to 2’11.5” range and heights ranging from 2 ‘5.5 to 6’5.5”.

Awning Windows

Standard sizes for awning windows include widths ranging from 2’to 5’and heights ranging from 1’8” to 3’6”.

At the end, the most perfect sizes are based on your drawing and make the customize, production time normally will take 30-40days. Delivery to port, will take 25-30days, and delivery to door, will take 60-80days (depends on the full container custom clearance time and locally trucking time)


A house stands for a life, no matter is for your own living or an investment, choose the top quality, will not only protect your house but also make the house value up


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