Aluminum | Vinyl Frame Window Standard Sizes in North America
- December 5, 2025
- 11:49 am
Standard window sizes are widely used across North America and many of them can be purchased directly from major retailers such as Lowe’s and Home Depot. This article lists these commonly adopted rough-opening sizes for design and planning reference. Aluminum frame and vinyl frames can be easily cut and fabricated into various dimensions, with different profile widths and thicknesses available to meet performance needs. Different room functions—such as bedrooms, bathrooms, kitchens, and base-room—often require different window sizes and opening styles.
Note that all sizes in this guide refer to rough-opening dimensions, and the actual window unit is typically manufactured about half an inch smaller to allow proper installation.
Sliding Window Standard Sizes
Sliding windows operate on horizontal tracks with one or two movable sashes, giving them a simple structure, smooth operation, and excellent space-saving performance. Because they do not require inward or outward swing clearance, they fit well in both compact and wide openings. Smaller widths are often selected for bathrooms, basements, laundry rooms, or garage walls, while medium-sized openings suit bedrooms, hallways, and kitchens where balanced ventilation is needed. Larger widths and taller proportions are commonly used in living rooms, dining rooms, sunrooms, and wide exterior walls to maximize daylight and outdoor visibility.
Width: 24″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 24 × 24 | 24 × 36 | – | – |
Width: 36″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 36 × 12 | 36 × 24 | 36 × 30 | 36 × 36 |
| 36 × 48 | – | – | – |
Width: 48″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 48 × 12 | 48 × 18 | 48 × 24 | 48 × 36 |
| 48 × 42 | 48 × 48 | 48 × 60 | – |
Width: 60″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 60 × 36 | 60 × 42 | 60 × 48 | 60 × 60 |
Width: 72″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 72 × 36 | 72 × 42 | 72 × 48 | 72 × 60 |
| 72 × 72 | – | – | – |
Width: 96″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 96 × 48 | 96 × 60 | – | – |
Casement Window Standard Sizes
Casement windows use a side-hinged sash that swings outward, creating a tight seal, wide opening area, and clean sightlines. Because they open fully, they are popular in rooms that need strong ventilation—such as kitchens, bathrooms, and bedrooms. Smaller standard sizes are often chosen for narrow wall sections or over sinks, while medium and larger typical window sizes are used in living rooms or paired with picture windows to increase daylight and airflow.
Width 22″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 22 × 22 | 22 × 46 | 22 × 54 | — |
Width 24″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 24 × 24 | 24 × 30 | 24 × 36 | 24 × 42 |
| 24 × 48 | — | — | — |
Width 30″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 30 × 30 | 30 × 36 | 30 × 42 | 30 × 48 |
Width 36″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 36 × 36 | 36 × 42 | 36 × 48 | 36 × 60 |
Single-Hung Window Standard Sizes
Width: 18″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 18 × 24 | 18 × 36 | 18 × 38 | 18 × 49 |
| 18 × 65 | – | – | – |
Width: 19″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 19 × 26 | – | – | – |
Width: 20″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 20 × 38 | – | – | – |
Width: 22″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 22 × 33 | – | – | – |
Width: 24″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 24 × 30 | 24 × 36 | 24 × 48 | 24 × 60 |
| 24 × 72 | – | – | – |
Width: 26″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 26 × 26 | 26 × 38 | 26 × 41 | 26 × 49 |
| 26 × 54 | 26 × 65 | – | – |
Width: 28″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 28 × 26 | 28 × 36 | 28 × 38 | 28 × 52 |
| 28 × 54 | – | – | – |
Width: 30″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 30 × 36 | 30 × 41 | 30 × 48 | 30 × 54 |
| 30 × 57 | 30 × 60 | – | – |
Width: 32″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 32 × 36 | 32 × 52 | 32 × 60 | 32 × 62 |
| 32 × 74 | – | – | – |
Width: 33″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 33 × 38 | 33 × 54 | – | – |
Width: 34″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 34 × 36 | 34 × 48 | 34 × 62 | 34 × 65 |
| 34 × 77 | – | – | – |
Width: 36″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 36 × 25 | 36 × 26 | 36 × 36 | 36 × 48 |
| 36 × 50 | 36 × 52 | 36 × 54 | 36 × 60 |
| 36 × 62 | 36 × 66 | 36 × 72 | – |
Width: 37″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 37 × 26 | 37 × 38 | 37 × 50 | 37 × 51 |
| 37 × 57 | 37 × 63 | – | – |
Width: 42″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 42 × 42 | 42 × 54 | – | – |
Width: 48″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 48 × 36 | 48 × 48 | 48 × 54 | 48 × 60 |
| 48 × 72 | – | – | – |
Double-Hung Window Standard Sizes
Double-hung windows feature two operable sashes that slide vertically, allowing ventilation from the top, bottom, or both at the same time. This balanced airflow, combined with a traditional appearance, makes them one of the most versatile window styles in North America. For standard sizes, narrower units are often used in hallways, bathrooms, or small rooms, while medium and larger typical window sizes—especially taller frames—are common in bedrooms and living rooms to increase natural light. Their flexible operation and wide range of regular window size options make double-hung windows suitable for both classic and modern home designs.
Width: 24″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 24 × 36 | 24 × 38 | – | – |
Width: 28″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 28 × 38 | 28 × 54 | – | – |
Width: 32″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 32 × 38 | 32 × 54 | 32 × 62 | 32 × 74 |
Width: 36″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 36 × 36 | 36 × 38 | 36 × 48 | 36 × 54 |
| 36 × 60 | 36 × 62 | – | – |
Accent | Picture Window Standard Sizes
Picture (Accent) windows are fixed, non-operable units designed to provide maximum daylight and wide, unobstructed views. With no moving sash or hardware, they offer clean sightlines and strong energy performance, making them a popular choice for feature walls or areas where ventilation is not required. In terms of standard sizes, smaller units are often used as accent windows above doors or combined with operable styles, while medium and larger typical window sizes are commonly placed in living rooms, stairwells, and entry areas to create expansive visual openings. Their broad range of regular window size options allows picture windows to serve both decorative and architectural purposes in modern and traditional homes.
Width: 24″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 24 × 24 | 24 × 24 | – | – |
Width: 24″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 24 × 24 | 24 × 24 | 24 × 36 | – |
Width: 25″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 25 × 36 | – | – | – |
Width: 27″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 27 × 45 | – | – | – |
Width: 30″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 30 × 48 | – | – | – |
Width: 36″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 36 × 24 | 36 × 36 | – | – |
Width: 48″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 48 × 12 | 48 × 24 | 48 × 48 | – |
Width: 48″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 48 × 48 | – | – | – |
Awning Window Standard Sizes
Awning windows are hinged at the top and open outward from the bottom, creating a weather-shielding angle that allows ventilation even during light rain. Their compact, horizontal structure provides a tight seal and is easy to operate with a crank, making them suitable for both modern and traditional designs. For standard sizes, smaller widths are commonly used in bathrooms, basements, or placed high on walls for privacy, while medium typical window sizes are often paired with picture windows to add controlled airflow. These flexible regular window size options make awning windows ideal where ventilation and moisture protection are both important.
Width: 24″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 24 × 24 | – | – | – |
Width: 32″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 32 × 16 | – | – | – |
Width: 36″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 36 × 24 | 36 × 36 | – | – |
Width: 48″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 48 × 24 | 48 × 36 | 48 × 42 | 48 × 48 |
Width: 60″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 60 × 24 | 60 × 36 | 60 × 42 | 60 × 48 |
Width: 72″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 72 × 42 | – | – | – |
Skylight Window Standard Sizes
Skylight windows are installed on the roof plane to bring natural light directly from above, using a fixed or operable design with sealed glazing to prevent leaks and withstand weather exposure. Their overhead placement makes rooms feel brighter and more open while improving ventilation when an operable sash is used. In terms of standard sizes, smaller units are commonly used in bathrooms, hallways, and attic spaces to add focused daylight, while larger typical window sizes are selected for living rooms, kitchens, or vaulted ceilings to maximize vertical light entry. These versatile regular window size options allow skylights to enhance both lighting and architectural impact across different room layouts.
Width: 23″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 23 × 23 | – | – | – |
Width: 31″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 31 × 23 | 31 × 31 | – | – |
Width: 35″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 35 × 23 | 35 × 35 | – | – |
Width: 47″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 47 × 23 | 47 × 31 | 47 × 47 | – |
Width: 71″
| Width × Height | Width × Height | Width × Height | Width × Height |
|---|---|---|---|
| 71 × 23 | – | – | – |
Any questions please feel free to contact us.
