Standard Size for Exterior Doors The standard size for an exterior door is 80 inches by 36 inches which is 6 ft, 8 inches by 3 ft. 96 inches or 8 ft. is now very common for newer homes and stock exterior doors are also commonly available in 30 and 32-inch widths.
As you can see, the standard exterior door size rough opening is a full 2 ¼ inches wider than 36 inches and 2 1/8 inches higher than 80 inches. Keep this in mind. If you are using brick mold openings the dimensions would be 40 inches by 82 7/8 inches.
Door Openings – Height
How to: Measure for the Exterior Door Jamb Dimensions
JELD-WEN Tip: Measuring for Entry Door Replacement
Frequently Asked Questions
How wide is a standard exterior door opening?
36 inches wideOne of the most common front door sizes in American houses is 36 inches wide by 80 inches tall, and almost 2 inches thick. However, not all doors will have these measurements. Doors can be as narrow as 30 inches and as tall as 96 inches, and thickness can depend on the door material.
What are standard exterior door sizes?
Standard entry door measurements:
- Height: 80 inches (6 feet 8 inches)
- Thickness: 1 3/4 inches.
- Width: 36 inches standard (30 and 32inches also available)
What is a standard door opening?
Standard door sizes vary in width, from 24 to 36 inches, but most are typically 80” high. If you have a 28” x 80” door, your rough opening will be 30” x 82 ½”. A 30” x 80” door will have a rough opening that measures 32” x 82 ½”.