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Standard Door Sizes: Interior & Exterior Dimensions

Written on February 17, 2025
door

Key Takeaways

  • Standard interior doors are typically 32 inches wide and 80 inches tall to be suitable for most homes.
  • Exterior doors are usually 36 inches wide and 80 inches tall, but newer homes may feature doors up to 96 inches tall.
  • Knowing door sizes helps with easy installation and maintaining compliance with building codes.
  • At Panda Windows & Doors, we have a wide range of doors including pivot, folding, and hinged.

Interior Door Sizes

Height

  • 80 inches = 6.67 feet (commonly used height)
  • 84 inches = 7 feet
  • 96 inches = 8 feet

Width

Standard widths for interior doors generally range from:

  • 24 inches = 2 feet
  • 28 inches = 2.33 feet
  • 30 inches = 2.5 feet
  • 32 inches = 2.67 feet
  • 36 inches = 3 feet

Specific Uses

  • Closet Doors: Typically range from 2 to 3 feet wide (24 to 36 inches).
  • Bathroom Doors: Usually between 2.33 to 2.67 feet wide (28 to 32 inches).
  • Bedroom and Office Doors: Commonly range from 2.33 to 3 feet wide (28 to 36 inches).
  • French Doors: Can vary widely, often between 4 to 6 feet wide (48 to 72 inches).

Since our founding in 1991, Panda Windows & Doors has specialized in state-of-the-art custom glass wall systems for both residential and commercial spaces. Operating from our manufacturing facility in Las Vegas, Nevada, we have been at the forefront of innovation for over 30 years. Our product offerings, which include over 80 high-end options, such as pivot doors, French doors, folding doors, lift & slides, multi-slides, horizontal sliding walls, and operable windows, are available in a range of materials, including aluminum, steel, stainless steel, bronze, solid wood, and aluminum-wood clad.
Our company is widely known for its award-winning designs, engineering solutions, and rapid delivery times. We ensure that our customers throughout the U.S. and Caribbean receive their products within 6-10 weeks. Our company is trusted by leading architectural firms and glaziers nationwide, and we stand as the premier manufacturer of custom luxury windows and doors in the United States.
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Exterior Door Sizes

Standard Single Doors

Height:

  • 6.67 feet (80 inches) - Standard height
  • 6.83 feet (82 inches) - Slightly taller option
  • 7 feet (84 inches) - Specialty height for grander entrances

Width:

  • 3 feet (36 inches) - Most common size
  • 2.5 feet (30 inches) - Available for smaller openings
  • 2.67 feet (32 inches) - Another common option

Standard Double Doors

Width:

  • 6 feet (72 inches) - Common size for double doors, providing a spacious entryway
  • 5 feet (60 inches) - Another option for double doors

Height:

  • 6.67 feet (80 inches) - Standard height for double doors

Specialty Sizes

  • Wider Options: Some doors are up to 3.5 feet (42 inches) wide for greater accessibility.
  • Tall Doors: Heights can extend up to 8 feet (96 inches), particularly in newer homes or custom installations.

Read More: Door Jamb vs Door Frame: What's the Difference?

Why Standard Door Sizes Are Important

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Standard door sizes make manufacturing them easy.

1. Ease of Replacement and Installation

Standard door sizes make it easy to replace them.

It is straightforward to acquire doors that are able to drop in the existing frame, without having to make any sort of custom modification, which saves on installation time and money. This is extremely useful, especially during renovations or repairs.

2. Cost-Effectiveness

Usual sizes result in low costs due to mass production. The manufacturing process is optimized and the cost price and material loss are therefore minimized.

3. Accessibility Considerations

Standard door sizes are ideal for accessibility, especially in homes for people with mobility challenges. Wider doors (like 36 inches) give enough space for wheelchairs and walkers, making it easier to move around the house.

4. Aesthetic Harmony

Doors of appropriate size make the design harmonious. On the other side, doors that are very tight feel stuffy, whereas very large doors may look visually awkward.

5. Improved Energy Efficiency

When doors are snug in their frames, fewer drafts and heat escapes are likely to occur, leading to better insulation and lower heating/cooling bills.

Read More: Brickmold vs No Brickmold Door: What's the Difference?

Factors Influencing Door Size Choices

1. Intended Use

The purpose of the door has a big impact on its size. For example:

  • Interior Doors: They're usually smaller, around 30 to 36 inches wide, to fit bedrooms and bathrooms.
  • Exterior doors: They're usually bigger, around 36 inches wide, so you can move through them easily.
  • Accessibility: Doors intended for wheelchair access must meet specific width requirements for ease of movement.

2. Traffic Flow

The number of people passing through a door is important to consider when figuring out its size. If you need them for main entrances or commercial spaces, you'll want wider doors to make it easy for people to pass through and to avoid overcrowding. On the other hand, doors in low-traffic areas can be narrower.

3. Building Codes and Regulations

It's important to follow local building codes when selecting door sizes. These codes usually have minimum width and height requirements, especially for exterior doors and those in public buildings. Following these rules helps keep everyone safe and easy to get to.

4. Room Functionality

The room where the door will be installed affects its size:

  • Privacy: Bedrooms and bathrooms might have smaller doors for privacy (but not too small - you’ll still need to be able to get furniture in and out).
  • Openness: Living areas benefit from wider doors to make the space feel more open and to make it easier to move around.

5. Aesthetic Considerations

Big doors can really make a grand entrance, while smaller doors might be better for more cozy spaces. The proportions of the door should match the rest of the building's design.

6. Personal Needs

Individual requirements, like accommodating mobility devices or specific design preferences, can dictate door size choices. Sometimes you need a custom solution for a unique space or if you have special accessibility needs.

Read More: Parts of a Door: Names & Diagrams

Why Choose Panda Windows & Doors

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We have been serving quality doors and windows all over the US since 1991.

We are a top provider of custom luxury windows and doors in the US for both residential and commercial projects. Here’s why we stand out:

  1. Custom Solutions: We've got a ton of customizable options, so you can get the exact design, size, and materials that match your vision.
  2. Sustainable Materials: Our products are made from materials that can be easily recycled so you can feel good about your purchase without sacrificing quality.
  3. Exceptional Performance: Almost all our products are independently certified for energy efficiency and durability, with advanced thermal insulation and hurricane-resistant options.
  4. Innovative Design Capabilities: We've got over 85 cutting-edge products, and we use top modeling software to make sure they perform their best for your project.

Reach out to us to learn more about our products and get a free quote.

Frequently Asked Questions (FAQs)

How do I measure a door for replacement?

To measure a door for replacement, just measure the width of the door opening at its widest point and the height from the top of the opening to the bottom. For a new door, add 2 inches to both measurements to get a good fit and room for trimming.

Are there different sizes for commercial doors?

Yes, they often have different size requirements. For example, the minimum clear width for residential entry doors is usually 32 inches, but commercial entries may need widths of 36 inches or more.

Can I get custom door sizes?

Yes, custom door sizes are available to meet different architectural needs or personal preferences.

What is the typical size of a bathroom door?

Typically, bathroom doors are around 28 to 30 inches wide and 80 inches tall, but this can vary based on personal preferences and design choices.

What types of doors do you provide?

We have a wide range of doors, including:

  • Sliding
  • Folding
  • Hinged
  • Pivoting