Standard Window Size: Bedroom, Living Room, Bathroom

Standard window sizes are the most common sizes of windows that are manufactured and sold. They are designed to fit most homes and businesses, and they are available in a variety of styles and materials.

There are several reasons why it is important to choose standard window sizes. First, they are typically less expensive than custom-made windows. Second, they are easier to find and install. Third, they are more likely to be available in stock, so you won’t have to wait long to get them.


Here are some of the most common standard window sizes:

  • Single-hung and double-hung windows: 24″ x 36″
  • Casement windows: 12″ x 24″
  • Sliding windows: 36″ x 24″
  • Picture windows: 36″ x 48″
  • Bay and bow windows: 4-6 standard size windows

Try to imagine a home without windows, and there is your answer. Yes, it is possible to live in a windowless bunker if you otherwise deal with the light, heat, ventilation, and psychological requirements for a connection with the outside world, but it is not necessarily as pleasant.

Windows are there for light, a view to the outside, ventilation, and fire egress. I do not know of any building department jurisdiction that doesn’t mandate windows for residences.

Read More: The Standard Room Size & Location In A House

What Are Standard Window Sizes?

The main purpose of windows is to give a proper amount of air circulation and ventilation to the closed enclosure.

Also, the size of the window depends upon the room and also the location of the room according to the wind direction follow in the plot region.

Standard Window Size
Standard Window Sizes

Secondly, it matters of choice, what kind of privacy you need to provide, the ventilation required, and Daylight intake. For example, If we will say about bathrooms they should be small and above /equal to a showerhead.

There are no standard window sizes, one can choose a window size according to his requirement, ceiling height, and purpose of opening.

Some standard sizes of windows are commonly used in the house,

LocationWidth(In)Height (In)
Hall, Living Room & Drawing Room48″, 60″, 72″ ft, 48″
Bedroom & Study Room48″, 60″48″
Kitchen Room36″, 48″, 60″48″
Bathroom (Ventilation)18″, 24″, 30″ ft18″, 24″

Read More: What Is Standard Door Size | Standard Door Height | Standard Door Width | Standard Door Frame Size

Types of Window

1. Single & Double Hung Window Size

2. Casement Window Standard Size

3. Sliding Window Size

4. Sash Window Standard Size

5. Bay Window Standard Size

1. Single & Double Hung Window Size

The single-hung window also known as a sash window is easy to slide up and a popular choice for modern home construction.

The top sash is fixed. Since it opens and close without protruding, single-hung windows are an excellent choice for rooms facing walkways, porches, or patios.

 Single & Double Hung Window Size
Single & Double Hung Window Size

The standard size of a Single-hung window is ranged between a width of 24″ to 36″ and a height of 60″ to 84″.

2. Casement Window Standard Size

A casement window, it’s one type of movable window, wood or metal-framed, with hinges or pivots at the upright side of the vertically hung sash, so that it opens outward or inward along its entire length in the manner of a door. One frame, separately movable, of such a window, is called a casement sash.

Casement Window Standard Size
Casement Window Size

The standard size of the casement window is ranged between 12″ to 24″ in width by 24″ to 84″ in height.

3. Sliding Window Size

A sliding window is a window that opens by sliding horizontally along a top and bottom track in the window frame. 

A two-panel or two-lite sliding window has one fixed panel of glass, and the other side is an operable sash that slides either left or right to open.

What Is Standard Window Size| Window Size Chart | Standard Window Height | Standard Window Width | Common Window Sizes
Sliding Window Size
  • Sliding Window Width:  36″ min to 84″ max
  • Sliding Window Height: 24″ min to 60″ max

4. Sash Window Standard Size

A sash window is one with two frames that can slide vertically, thus allowing for greater airflow. This design was developed in England way back in the mid-late 17th century and has been an important part of Western architecture ever since.

Sash windows are a great way to improve airflow, add some aesthetic character, and overall make your building look like a real winner.

 Sash Window Standard Size
Sash Window Standard Size

Sash window standard size,

  • Width: 36″ to 84″
  • Height: 24″ to 60″

Read More: What Is A Hopper Window? | Hopper Window Sizes | Hopper Style Window | Best Hopper Window For Basement

5. Bay Window Standard Size

Bay windows are a combination of three or more windows that angle out beyond an exterior wall in a square, hexagonal or octagonal shape.

The overall structure consists of a picture window with two other windows, usually smaller, on either side.

A bay window may be rectangular, polygonal, or arc-shaped [rounded]. If the last, it may be called a bow window. 

The Bay window is standard size,

Bay Window Standard Size
Bay Window Standard Size

It does not have a fixed dimension, but its starting width is around 40″ and ranges up to 12 ft depending on the requirement. Its height is between 48″ to 60″.

Read More: Standard Brick Size | Standard Size of Brick | Brick Size | Brick Dimensions Inches | Brick Size In India

Standard Window Size for Living Room

A living room is a room in a home that’s used for entertaining friends, talking, reading, or watching television.

If you’re a couch potato, you most likely spend lots of time in your living room. You can also call a living room a lounge, a sitting room, a front room, or a parlor.

The standard size of the window for the living room is as follows,

Size in InSize in FtSize In Cm
48″ x 48″4′ x 4′121.92 x 121.92
60″ x 48″ 5′ x 4′152.4 x 121.92
72″ x 48″6′ x 4′182.88 x 121.92
84″ x 48″7′ x 4′213.36 x 121.92

Standard Bedroom Window Size

The bedroom is a room in the house used to sleep, study, entertain friends, share, and relax. Bedrooms are typically designed simply, as rectangular rooms that include a window, a closet, and a door.

The standard bedroom window size is as follows,

Size in InSize in FtSize In Cm
36″ x 48″3′ x 4′ 91.44 x 121.92
48″ x 48″4′ x 4′121.92 x 121.92
60″ x 48″ 5′ x 4′152.4 x 121.92

Standard Window Size for Bathroom

A bathroom (also known as a restroom, washroom, toilet, or lavatory) is where people go for personal hygiene activities.

This includes the use of the toilet, washing their hands, brushing their teeth, taking a bath, or taking a shower.

Standard bathroom window sizes are as follows,

Size in InSize in FtSize In Cm
12″ x 24″1′ x 2′ 30.48 x 60.96
18″ x 24″1.5′ x 2′45.72 x 60.96
24″ x 24″ 2′ x 2′60.96 x 60.96

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