Standard door height in most homes is 80 inches, or 6 feet 8 inches. This applies to both interior and exterior doors. If you live in a newer home, this measurement will likely be consistent throughout your house. However, older homes, especially those built before the 1950s, may have shorter door heights.
Standard Interior Door Height
It needs to be a minimum of 80 inches (although some codes allow for 78 inch doors). Doors that have a height of 80 inches are 6 foot, 8 inches in measurement, which is the reason standard interior doors are known as “6/8 doors.” A 78 inch door would be called a 6/6 door.
While homes come in all shapes and styles, most entry doors follow some common measurements. The most typical standard door width is 36 inches, paired with a height of 80 inches.
Standard Interior Door Width
Some older closet doors are as narrow as 18 inches, but in modern homes they are 30 inches in width. The standard interior door width is 28 to 32 inches.
The most common interior door widths are 2-0, 2-4, 2-6, 2-8 and 3-0, which translates to 24, 28, 30, 32, and 36 inches wide. Before exploring how wide an interior door should be, let's discuss how wide a door is required to be.
The standard bathroom door size should have a clear opening of 32 inches and a door width of 34 inches. The 34-inch clear width is considered the universal design for bathroom doors. The smallest allowable opening is 24 inches but this is only allowed if existing walls prohibit any type of modifications.
Here are some standard interior door sizes: Closet doors: 24 to 36 inches wide and 80 inches tall. Bathroom doors: 28 to 32 inches wide and 80 inches tall. Bedroom and office doors: 28 to 36 inches wide and 80 inches tall.
Width of Doors
Smaller bathrooms may require a door as narrow as 24 inches wide. The majority of average-sized bathrooms will use a door that is 30-32 inches wide. The more spacious ones will be 36 inches wide for further convenience and style.
Standard dimensions for common bathroom fixtures: Toilet: 28-30" deep, 20-26" wide. Shower: 36"x36" (minimum), 42"x60" (comfortable) Vanity: 21-24" deep, 30-60" wide (single), 60-72" wide (double)
In general, the gap beneath an interior door will be between three-quarters of an inch and half an inch. This width depends largely on the type of flooring, as door frames are generally installed when the floor is unfinished. A standard door can have varying levels of clearance over different flooring types.
Back Doors = 32″ x 80″ also referred to as 2868 or 2/8 x 6/8. Interior Doors = 32″ x 80″ also referred to as 2868 or 2/8 x 6/8. Bathroom Doors = 30″ x 80″ also referred to as 2668 or 2/6 x 6/8.
Standard French door sizes generally vary from 30 to 72 inches in width and 79.5 to 81.6 inches in height, with standard sizes being 36, 48, and 60 inches wide.
Shaker Doors - Bedroom: Your bedroom should be a haven for relaxation and rejuvenation. Your doors play a vital role in creating this calming environment. In 2024, simple, clean doors are on-trend, and our shaker doors perfectly encapsulate this style.
The Code generally requires the standard height of the interior door to be a minimum of 80 inches but there are certain codes that allow doors to be 78 inches. Interior doors that measure 80 inches are 6 foot and 8 inches and this is the reason they are called 6/8 doors.
The average walk-in shower in the U.S. measures 60" x 30", though size options can vary widely, typically up to 60" x 42" for a rectangular shower and 42" x 42" for a square one. For smaller bathrooms, most experts recommend a shower enclosure no smaller than 36" x 36".
In summary, standard closet door heights generally vary between 80 and 96 inches, depending on the ceiling height and the type of closet. Be sure to measure carefully and choose a style that complements your home's interior design.
The average bathroom door size typically ranges from 24 to 36 inches in width and about 80 inches in height. The most common size for a standard interior door, including bathroom doors, is 32 inches wide. This dimension allows for easy access while still maintaining privacy.
Standard door width in 2023 — Standard (and most common) interior door widths in American homes are 30, 32, 34, and 36". These width dimensions have not changed as much the height.
Not all doors have a solid core though, some may only be so for an inch around the sides, before becoming hollow. We will go into specific materials below, but a general rule of thumb is that you don't want to be trimming more than two inches off any door or you may risk damaging it.
While custom doors are an option, there are standard door sizes: Common widths for interior doors are: 24, 28, 30, 32 and 36 inches. Common widths for exterior doors are: 30, 32 and 36 inches. Standard height for both interior and exterior: 80 inches (a.k.a. 6/8)
The standard width for bedroom doors tends to float around 30 inches. It's wide enough for your queen-size bed to pass through but not so wide that you feel like you're opening the gates to a castle every night.
A pre-hung door is a door set consisting of everything that you need to install it into your opening. A slab door is simply just the door. A slab door is included in pre-hung doors. The difference being that the slab door in a pre-hung set will come with the frame and hinges already attached.
- Why Shaker Doors Continue to Dominate
Looking ahead to 2025, the reasons for the enduring popularity of Shaker doors are clear. They offer a timeless appeal that transcends fleeting trends, ensuring they remain a wise investment for homeowners aiming for both style and functionality.