
3 March 2025
Patio Door Size Guide: Finding the Perfect Patio Door for Your Home
Patio doors range in size based on design and the needs for your home. Common patio door sizes generally range from 60 to 192 inches wide and 80 to 96 inches tall. The size of the door will depend on how many panels you want. Instead of a conventional two-panel sliding patio door, you can choose a three-panel or a four-panel patio door instead. Find out more about standard patio door sizes for sliding patio doors and French doors, plus learn about custom-sized patio doors.
Standard Patio Door Sizes and Dimensions
Standard two-panel patio doors can measure 6-feet wide by 8-feet tall while large sliding glass doors can span 16-feet wide and 8-feet tall. The size of your patio door can vary based on the patio door dimensions for the rough opening.
It’s important to know how to measure patio doors because a proper fit can help prevent leaks. Measuring sliding glass door dimensions also informs design considerations based on available space. To get patio door dimensions, measure the width from the inside of one jamb to the other. For the patio door height, measure from the threshold to the head jamb.

Sliding Patio Door Dimensions
Sliding patio door dimensions range from five-feet wide to 16-feet wide with a variety of widths in between. The height of a sliding patio door can start at 6 ½ feet and rise to 8 feet tall. In terms of inches, sliding patio doors can start at 60-inches wide and go up to 192 inches wide. Patio doors frequently have a height between 80 and 96 inches no matter the width. You can always request custom-sized sliding patio doors to fit your home.
Double Sliding Patio Doors Dimensions
Two-panel sliding glass door sizes will range between 60 and 72 inches wide with a height between 80 and 96 inches. You can find 5-foot, 6-foot, and 8-foot wide two-panel patio doors.
Width (inches)
60
72
96
Height (inches)
80, 82 1/2, 96
80, 82 1/2, 96
80, 82 1/2, 96

3 Panel Sliding Glass Patio Doors Size
Three-panel sliding glass doors come in a variety of widths with additional design possibilities. You can choose a three-panel sliding patio door with an operating end panel. Or, you can choose a three-panel sliding glass door with a center operating panel. The widths range from 90 inches, or 7-feet, 6-inches, to 144 inches wide, or 12 feet. You can find heights of 80, 82 ½, or 96 inches, depending on the available space and engineering considerations with your home.
Width (inches)
90
108
144
Height (inches)
80, 82 1/2, 96
80, 82 1/2, 96
80, 82 1/2, 96

4 Panel Sliding Patio Doors Size
Four-panel sliding glass doors offer sweeping backyard views to help you enjoy indoor-outdoor living with easy access through bi-parting middle doors. The additional doors invite more natural light into a space. Four-panel sliding doors can start at 120 inches wide and expand up to 190 inches wide. Their height will vary from 80 inches to 96 inches.
Width (inches)
120
144
192
Height (inches)
80, 82 1/2, 96
80, 82 1/2, 96
80, 82 1/2, 96
Custom Sliding Glass Door Sizes
Custom sliding door sizes can help expand the design possibilities for your home. Marvin Replacement custom sizes all patio doors to ensure a proper fit for your home. If you’ve got a specific project in mind, custom-sized sliding patio doors will serve you best. With custom sliding patio doors you can extend the width and the amount of included panels. Custom sizing patio doors can allow you to add patio door features like sidelites or adjoining picture windows to capture more natural light and scenery.
French Door Dimensions
Sliding French doors dimensions mirror sliding patio door sizes because they function the same. The biggest difference between French doors vs. sliding patio doors is the door’s profile. A French door has a wider bottom rail for a bolder look. It also means a slighter smaller glass area than a sliding glass door. Our French door buying guide can help you with design and style options.

One-panel French Door Sizes
One-panel French doors fit perfect in spaces where you want to add natural light and easy outdoor access. Bedroom French doors can accomplish that, plus provide quick access to a deck or patio. One-panel French door measurements vary in width from 24 to 36 inches while their height can range from 80 to 96 inches.
Width (inches)
24
30
32
36
Height (inches)
80, 82 1/2, 86, 96
80, 82 1/2, 86, 96
80, 82 1/2, 86, 96
80, 82 1/2, 86, 96

Double French Door Dimensions
Double French patio doors offer traditional style with their hinged design for wide pathways to a patio or backyard. They come in the same heights as sliding patio doors, but double French patio door dimensions have different widths. The total width of double French doors ranges from 4 feet to 6 feet. With Marvin Replacement you can always find custom French doors crafted to fit your home and style. If you have a sliding patio door, you can also choose to replace a sliding door with French doors for a style refresh.
Two-Panel French Door Sizes
Width (inches)
48
60
64
72
Height (inches)
80, 82 1/2, 86 1/2, 96
80, 82 1/2, 86 1/2, 96
80, 82 1/2, 86 1/2, 96
80, 82 1/2, 86 1/2, 96

Three-panel French Door Sizes
Width (inches)
90
96
108
Height (inches)
80, 82 1/2, 86, 96
80, 82 1/2, 86, 96
80, 82 1/2, 86, 96
How to Choose a Patio Door
Knowing when to replace a patio door can help get you started on how to choose a patio door. You can decide to replace your patio door with the same style of door. Or, you can pick a different patio door style, like a sliding French door, for a bolder, more traditional look. If the space allows it, you can also think about a bigger patio door. A patio door buying guide can help you navigate the possibilities so you can pick the best patio door for your home.
Cost to Install a Sliding Glass Door
Patio door costs vary based on several factors. The sliding glass door size, installation needs, and design selections will affect the price of a patio door. Larger doors and those that require more installation work will have a higher price than smaller sliding glass doors that have fewer installation needs. Marvin Replacement offers full-service patio door replacement so you can select your patio door and allow our professional installers to handle the hard work of setting up your new patio door.
Frequently Asked Questions
The standard sliding glass door size usually measures 6 feet wide by 8 feet tall. They can come in a variety of sizes, including three and four panel sizes, which increase the width of the patio door. The height typically falls between 6 ½ feet to 8 feet.
A rough opening refers to the space where you install a patio door. The rough opening also incorporates additional measurements. A rough opening is usually 2 to 4 inches larger than the patio door size. The extra inches can apply to both the height and width to fit the door. The added dimensions allow for a proper fit and any shimming that must take place to make the door plumb and level.
The standard sliding door size usually measures between 60 to 72 inches wide and 80 inches tall. The amount of space you need for a sliding glass door will extend a couple of inches wider and taller than the door dimensions to ensure proper installation. How much space you’ll need for a sliding glass door will vary based on the installation work needed for a plumb and level fit.
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