What is standard bedroom window size?

Asked by: Mendy Maryenko

asked in category: General Last Updated: 7th January, 2020

What is standard bedroom window size?

Standard sliding window widths are 36, 48, 60, 72 and 84 inches wide; the windows themselves are actually 36 1/2, 47 1/2, 59 1/2, 71 1/2 and 83 1/2 inches wide to allow for installation. Standard heights are 24 inches, 36 inches, 48 and 60 inches. A 6-foot-wide by 4-foot-tall window is identified as “6040.”

Keeping this in consideration, what size should a bedroom window be?

For determining egress window sizes and placement, the International Building Code holds that every bedroom must contain at least one egress window. It must be at least 5.7 square feet, that is at least 20 inches wide by 24 inches high, with an opening no higher than 44 inches from the floor.

Secondly, what are the standard sizes of doors and windows? Doors are normally 2.1m high and 900 mm wide. A front door can be wider at 1.1 more also. Windows sizes range from 600mm in increments of 300mm up to 2.4m in width and 1.8m in height.

Just so, how do I choose window size?


  1. Window Sill Height. The International Residential Code (IRC) states that sills on operable windows should be at least 24 inches from the floor.
  2. Window Head Height. There aren’t rules governing how tall windows should be, and in many cases, it’s a subjective design choice.
  3. Width-to-Height Proportion.

Do you need a window in a bedroom?

Answer: If the “bedroom” does not have a window, it cannot be considered a bedroom. Well, technically a bedroom should have at least two methods of egress, which means in addition to the interior door it must have either a properly-sized window or a second door to the exterior.

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