Standard Front Door Thickness
Keep this in mind.
Standard front door thickness. They range in width from 2 feet to more than 3 feet and in height from 6 feet 8 inches to more than 8 feet. The recommended thickness for that door would be 1 3 4 inches. While a door width of 36 inches is oversized for an interior door it s the standard size for front doors. One of the most common front door sizes in american houses is 36 inches wide by 80 inches tall and almost 2 inches thick.
1 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. Entry doors are usually 36 inches wide. If you are using brick mold openings the dimensions would be 40 inches by 82 7 8 inches.
As you can see the standard exterior door size rough opening is a full 2 inches wider than 36 inches and 2 1 8 inches higher than 80 inches. The standard height remains the same however at. Then you need to measure the width most common width are 2 6. How to measure your existing standard front door size to measure your existing door you need to take a measuring tape and measure from the bottom of the door to the top of the door most common doors measure.