The minimum recommended door width to allow persons with disabilities to pass through is 36 inches.
Standard front door thickness.
1 however not all doors will have these measurements.
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.
Standard thickness is 1 3 4 inches.
Then you need to measure the width most common width are 2 6.
Keep this in mind.
If you are using brick mold openings the dimensions would be 40 inches by 82 7 8 inches.
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.
Standard thickness for an interior door is 1 3 8 if your door exceeds 36 or is over 90 in height.
The standard height remains the same however at.
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.
One of the most common front door sizes in american houses is 36 inches wide by 80 inches tall and almost 2 inches thick.
The recommended thickness for that door would be 1 3 4 inches.