The Standard Door Size & Height Guide

Mike Mahajan
8 min readFeb 22, 2023
The Standard Door Size & Height Guide

What Is Door?

A standard door size refers to the typical measurement of a door that is commonly used in residential and commercial construction. The height of a door is an important aspect of its design as it affects the accessibility and the overall aesthetic of a building.

The standard door size and height are typically determined by building codes and regulations and vary depending on the location and type of building.

In the United States, the standard door size is 80 inches in height and 32 to 36 inches in width, while the standard height for residential doors is usually 80 inches.

These measurements are used as a guideline for builders and architects but can be adjusted to meet specific requirements.

Understanding standard door sizes and heights is crucial in the design and construction process to ensure that doors are functional, accessible, and aesthetically pleasing.

Read More: 25 Types of Doors for Your Perfect Home

Significance of Doors

We all know the proverb that the first impression is usually the last and this is true, especially for entrance into our homes.

The entrance of any house creates a lasting impression on visitors’ minds but somehow doors remain unnoticed unless either they are elegantly done or completed in a bad shape.

Doors are the major important element of any home, they do not only provide aesthetically pleasing but also have features like durability, strength, water, and heat resistance and they should not warp with time. Past days have been gone now doors were used for the mere purpose of maintaining privacy and security.

Nowadays doors have become an important aesthetic appearance structure and an integral part of a home’s interiors.

What Is Standard Door Size?

In the United States, two types of door sizes are mostly used for home interior and exterior doors. The standard door size for internal and external doors are as follows,

What Is Standard Door Size | Standard Door Height | Standard Door Width | Standard Door Frame Size

Internal and External Door Size

Exterior Door Standard Size in inches = 80 Inch. (Height) x 42 Inch. (Width)

Interior Door Standard Size in inches = 80 Inch. (Height) x 36 Inch. (Width)

Exterior Door Standard Size in feet = 6 ft 8 In (Height) x 3 ft 6 In (Width)

Interior Door Standard Size in feet = 6 ft 8 In (Height) x 3 ft (Width)

Standard Size of Door Frame

The standard door size is 6 ft 8 which does not include the size of the door frame. The door frame size is generally wider than the door opening. The door frame post has a width between 2 to 4 inches.

The total width of door frame = Width of door frame + width of door + width of door frame

What Is Standard Door Size | Standard Door Height | Standard Door Width | Standard Door Frame Size

Standard Door Frame Size

= 2" + 36" + 2"

Width of door frame = 40"

Similarly height of door frame = height of door + width of a door frame

= 6' 8" + 2"

Height of door frame = 6' 10"

Therefore, the size of the door frame is 82"x40"

Standard Door Width

The door width is not fixed, it can vary depending upon materials and uses. However, the most utilized standard internal door width is around 32" and the external door width is 36". The 32" wide door is a minimum width required for any passenger passing door.

There are also narrow-width doors available in the market such as 30", 28", and 24" wide doors.

If you choose a 36" width door, it will comply with the Americans with Disabilities Act (ADA) and are a popular choice for homes whose residents have mobility issues.

Standard Door Height

The door height ranges from 80" to 96" depending on its purpose to serves. The taller door heights are selected for the big entrance of the hall or public building entrance.

In the United States, The standard door height is around 80" (6 ft 8 inches).

In India, The standard door height is around 84" ( 7 ft)

However, the door heights can be 96" for custom doors and personal choice to have taller doors of own house.

Read More: What Is a Pocket Door | Pros & Cons of Pocket Doors | How to Install Pocket Doors

Internal Door Size In the UK

- 78" x 18" to 21" — These door sizes are mostly used for cupboards and wardrobes.

- 78" x 24" to 27" — This size of the door is usually preferred where wall space is limited and for small door fitting work.

- 78" x 30" — It is also called a 2'6" door and It is the most used size of the door in England and Wales.

78" x 33"- It is most suitable for wheelchair movement inside or outside. It is also called 2' 9" door size.

Standard Door Size in India

The standard door size for various rooms, the entrance of school, hospital, hall, etc. are fixed by govt of India. The standard height and width of doors are recommended in IS code based on use, function, and movability requirement.

The standard door size in India is as follows

1. For Main entrance door = 36” x 84”, 42” x 84”, 48” x 84” , 36” x 96”

2. For Living room, hall, bedroom, etc = 36” x 84”, 36” x 96”

3. For Bathroom, Toilet = 30”x 84”, 33” x 84”

The following table shows the standard door size for different rooms,

Door Type

Sizes In Inches

1. Main Entrance Door

36” x 84”

42” x 84”

48” x 84”

36” x 96”

2. Living Room & Bedroom

32” x 84”

36” x 84”

42” x 84”



3. Bathroom & Toilet

30”x 84”

33” x 84”

Types of Doors and Their Standard Size

There are various types of doors used in building construction. In the case of residential construction, we can categorize them into two-part external doors and internal doors.

The door in residential houses is must have a standard size which proves to be economical while replacing it with a new door of the same size.

The building bye-laws followed by the authority must consider the easy and comfortable movement of all members of society, including kids, seniors, tall people, and those with special needs.

A. Entrance Door Size

The entrance door is the main entry point of any house. It means everyone whether it is human or any object, furniture has to pass the door. Therefore entrance door must have sufficient width and height.

1. Single Entrance Door Size

A single front door can have following sizes,

80" x 30" (2,032 x 762 mm)

80 x 32" (2,032 x 813 mm)

80" x 36" (2,032 x 914 mm) — Most Prepared Size

80" x 42" (2,032 x 914 mm) — Most Prepared Size

What Is Standard Door Size | Standard Door Height | Standard Door Width | Standard Door Frame Size

Entrance Door Size

However, some people want a taller front door that looks more attractive and impressive to visitors.

A Door Size 96" x 36" (2,438 mm) has now become popular among US homeowners.

3. Double Front Door Size

Single front doors are basic door types and old house owners used them. Single front doors are less costly compared to double front doors.

Even if they are affordable they look basic and they are not visually attractive or impressive in look. Single entry doors are certainly the norm, yet they are quite basic compared to double entry doors.

What Is Standard Door Size | Standard Door Height | Standard Door Width | Standard Door Frame Size

Double Front Door Size

If you are thinking about buying new furniture, large electronics, or other big sizes items, a double door may better serve your needs.

The standard size of a double entrance door is consists of two equal halve of the same height 80" to 96" and the width of halves can vary depending on the width of the entrance owner want for his home.

- 80" x 60" which includes two wings of 30" size each

- 80" x 64" which includes two wings of 32" size each

- 80" x 72" which includes two wings of 36" size each

B. Interior Door Size

The interior door is primly used for the in-house movement of a person or object. The bedroom, kitchen, balcony, bathroom, and toilet door are considered interior doors.

The standard size of the interior door is as follows,

- 80" x 28"

- 80" 32"

- 80" x 36"

The standard size of the interior double door is as follows,

- 80" x 60" (Two halve 30" each)

- 80" x 64" (Two halve 30" each)

- 80" x 72" (Two halve 30" each)

Door Size In mm, Inches & Feet

Size in mmSize in inchesSize in feet1981 X 45778" X 18"6'6" X 1'6"1981 X 53378" X 21"6'6" X 1'9"1981 x 61078" X 24"6'6" X 2'0"1981 x 68678" x 27"6'6" X 2'3"1981 X 71178" X 28"6'6" X 2'4"1981 X 76278" X 30"6'6" X 2'6"1981 X 83878" X 33"6'6" X 2'9"1981 X 91578" X 36"6'6" X 3'0"1981 X 106778" X 42"6'6" X 3'6"1981 X 116878" X 46"6'6" X 3'10"1981 X 122078" X 48"6'6" X 4'0"1981 x 137278" X 54"6'6" X 4'6"1981 x 152478" X 60"6'6" X 5'0"2032 X 81380" x 32"6'8" X 28"2134 X 91584" X 36"7'0" x 3'0"

Conclusion

In conclusion, standard door size and height are crucial components of building design and construction. These measurements are determined by building codes and regulations and are used as a guideline for builders and architects to ensure that doors are functional, accessible, and aesthetically pleasing.

While standard door sizes and heights can be adjusted to meet specific requirements, understanding these standards is important for ensuring that doors are properly designed and installed.

In the United States, the standard door size is 80 inches in height and 32 to 36 inches in width, while the standard height for residential doors is usually 80 inches.

The importance of standard door size and height cannot be overstated, as they play a key role in the overall appearance and functionality of a building.

FAQs:

Standard Door Size in FeetThe standard door size is 3 ft x 7 ft in India, but it can vary as per owner requirements. Also, the bathroom and toilet door size is 2' 6" x 7'.Standard Door HeightThe standard door height ranges between 78" to 84" according to the requirement of the owner and its location in the house. The standard door height in the UK is 78", the US is 80" and India is 84".Standard Door Frame SizeIn US houses, most of the common size of the door is 80"x30" with 2" thickness. However, not all doors in the house have the same dimension. The door’s size can vary from a minimum of 30 inches and as tall as 96 inches, and thickness can depend on the door material.Average Door HeightThe average door height used by American house owners is 80" and the width is 36". As per ADA building codes, each access door should have a minimum width of 32" and a minimum height of 80" for the smooth passing of humans.Why is door height important?Door height is important because it affects the accessibility and the overall aesthetic of a building.

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- How To Choose the Best Hung Windows for Your House?

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Mike Mahajan

Bhushan Mahajan who himself is a Civil Engineer by profession is also the main author and maintains the civiconcepts.com website himself.