double doors internal sizes

Double Doors Internal Sizes: A Comprehensive Guide

By Sarah WilliamsApril 16, 2026

When it comes to internal doors, size matters. The right size can enhance your home's aesthetics, functionality, and even its value. Double doors, in particular, can make a striking statement and add a touch of elegance to your space. But with so many sizes available, choosing the right one can be overwhelming. Let's delve into the world of double doors and explore their internal sizes to help you make an informed decision.

Before we dive into the specifics, it's essential to understand that double doors come in various configurations. The most common are French doors, which have two doors that open in the middle, and bypass doors, which slide past each other. The size of the door itself is typically measured in width and height, while the frame size includes the width and height of the door plus the width of the frame.

Standard Sizes for Double Doors

Double doors come in standard sizes to fit most homes. These sizes are usually measured in inches and can vary slightly between manufacturers. Understanding these standard sizes can help you narrow down your options.

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For width, standard double doors typically range from 36 inches to 48 inches. This width includes the space for both doors. For height, standard sizes usually range from 80 inches to 96 inches. However, custom sizes are always an option if you need something outside of these ranges.

Width: How Much Space Do You Need?

When considering the width of your double doors, think about the space you need to accommodate. For instance, if you're installing double doors leading to a patio, you'll want to ensure they're wide enough for furniture to pass through. On the other hand, if they're leading to a closet, a narrower width might suffice.

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Here's a quick guide to help you decide:

36 inches: Ideal for closets, pantries, or small rooms.
42 inches: A good balance for most interior doors, suitable for living rooms, bedrooms, or offices.
48 inches: Perfect for wide openings, such as those leading to patios, gardens, or large rooms.

Height: Considering Clearance and Aesthetics

Height is another crucial factor when choosing double doors. You'll want to ensure they're tall enough to allow for clear passage, especially if you're tall or have high ceilings. Standard heights typically range from 80 inches to 96 inches, but again, custom heights are possible.

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Consider the following when deciding on the height:

80 inches: A common height for standard interior doors, suitable for most homes.
84 inches: A good compromise for homes with slightly higher ceilings.
96 inches: Ideal for homes with very high ceilings or grand entrances.

Frame Sizes and Clearance

Frame sizes are just as important as the door sizes themselves. The frame size includes the width and height of the door plus the width of the frame. This is the size you'll need to accommodate in your wall opening.

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Standard frame sizes typically range from 30 inches to 44 inches in width and 80 inches to 96 inches in height. However, these can vary depending on the manufacturer and the specific door style. Always measure your wall opening and compare it to the frame size to ensure a proper fit.

Clearance: Ensuring a Smooth Operation

When installing double doors, it's crucial to consider clearance. This refers to the space needed for the doors to open and close smoothly. For French doors, you'll need clearance on both sides of the door, as well as above and below. Bypass doors, on the other hand, require clearance only on the sides where the doors slide.

Here's a rough guide to clearance:

French doors: Aim for at least 1.5 inches of clearance on both sides, 2 inches above, and 1 inch below.
Bypass doors: Aim for at least 3 inches of clearance on the sides where the doors slide.

Door Styles and Sizes

Different door styles can accommodate different sizes. For instance, louvered doors can be made in a wider range of sizes than solid doors due to their construction. Similarly, some door styles might require specific frame sizes. Always check with the manufacturer to ensure the door style you want is available in the size you need.

Here's a quick comparison of door styles and their typical sizes:

Door Style	Width (inches)	Height (inches)
French doors	36-48	80-96
Bypass doors	36-48	80-96
Louvered doors	36-60	80-96
Solid doors	36-48	80-96

Double doors can add a touch of sophistication and functionality to your home. Whether you're looking to upgrade your interior or increase your home's value, understanding the internal sizes of double doors can help you make the right choice. So, measure carefully, consider your needs, and choose the perfect double doors for your space. Happy renovating!