Interior Door Size Chart

Interior doors serve both function and aesthetics in your home. Knowing their sizes is vital for a smooth design and functionality. However, finding the right balance can be tricky. This introduction sets the stage for exploring the Interior Door Size Chart, emphasizing the importance of considering various factors and tradeoffs to make informed decisions.

Normal and Actual Door Height

Actual Door Height (inch)Nominal Door Height (feet)Nominal Door Height (inch)
79 3/8”6.6′80”
83 1/4”6.9′84”
92 1/2”7.7′92 1/5”
95 1/4”8′96”

Normal and Actual Door Width

Actual Door Width (inch)Nominal Door Width (inch)
17 3/4”18”
23 7/8”24”
27 3/4”28”
29 3/4”30”
31 3/4”32”
35 7/8”36”

Standard Interior Door Sizes

Let’s delve into the standard interior door sizes commonly found in homes. Understanding these dimensions is essential for your door selection journey. From single doors to double doors,

let’s lay the groundwork by exploring these typical sizes. We’ll discuss how these dimensions impact functionality and design choices, emphasizing the importance of considering various factors for informed decision-making.

Factors Influencing Door Size

Let’s explore the factors that influence door size, particularly focusing on room functionality. The purpose and layout of a room significantly impact the ideal door size. Factors such as room dimensions, traffic flow, and accessibility requirements all come into play when determining the appropriate door size.

Understanding these influences is crucial for making informed decisions and achieving a harmonious balance between functionality and aesthetics within your home.

Measuring for Door Size

Let’s dive into the crucial step of measuring for door size, emphasizing the importance of precision. Accurate measurements are essential to ensure a proper fit and prevent installation errors. In this section, we’ll provide a step-by-step guide on how to measure accurately, highlighting the significance of attention to detail. By understanding the nuances of measurement, homeowners can avoid costly mistakes and ensure a seamless door installation process.

Interior Door Size Chart

Let’s provide a visual reference with a comprehensive interior door size chart, offering standard dimensions for different door types. From single doors to double doors, sliding doors, and pocket doors, this chart serves as a valuable resource for both homeowners and contractors. By presenting this information visually, readers can easily compare sizes and make informed decisions about their interior door selections.

Custom Door Sizes

Let’s delve into the realm of custom door sizes, offering tailored solutions for unique spaces and design preferences. Custom doors provide increased flexibility in design and the ability to accommodate non-standard openings.

However, there are tradeoffs to consider, such as cost and lead time. By exploring the benefits and considerations of custom doors, readers can weigh their options and make informed decisions about their interior door selections.

Tips for Choosing the Right Door Size

Let’s provide practical advice to assist readers in selecting the right door size for their needs. Considerations such as architectural style, clearance requirements, and personal design preferences play pivotal roles. By weighing these factors, readers can strike a balance between functionality and aesthetics.

However, it’s essential to acknowledge the tradeoffs involved and the challenges associated with different approaches. Ultimately, careful consideration of these factors will ensure informed decisions regarding the Interior Door Size Chart.


In conclusion, understanding interior door sizes is paramount, influencing both functionality and aesthetics. By leveraging the resources and guidelines provided, readers can confidently select the right door sizes for their home improvement projects. It’s essential to consider the tradeoffs and challenges involved, ensuring informed decisions that enhance the overall look and usability of their space.


What is the standard height for interior doors?
Answer: The standard height for interior doors in most homes is 80 inches, but variations can exist based on building codes and architectural preferences.

Can I install a larger door in an existing opening?
Answer: Yes, it’s possible to install a larger door in an existing opening, but it may require structural modifications and professional installation to ensure proper fit and functionality.

What is the difference between a single door and a double door?
Answer: A single door typically refers to a door that covers a standard doorway, while a double door consists of two doors hinged together, often used for wider openings or as an architectural feature.

Do sliding doors have standard sizes?
Answer: Sliding doors come in various standard sizes but can also be customized to fit specific openings. Standard sizes are commonly available for standard doorways, but custom options offer flexibility for non-standard openings.

Are pocket doors suitable for every room?
Answer: While pocket doors can save space and offer a sleek look, they may not be suitable for every room due to installation requirements and structural considerations. It’s essential to assess the space and consult with a professional to determine feasibility.