standard door size

What is Standard Door Size? Height, Width, Thickness

Have you ever been to a house that is way shorter than you expected it to be? Some might be so short that if you are a little bit taller than average, you get a bump on your head each time you try to get in or out when you lose your attention. I don’t know about you, but I have been talking to lots of new house owners, and the thing I noticed is that these new owners of the house didn’t know much about the standard measurement of the door. That can be equally devastating for them or their guests. So to avoid such a thing, I have decided to take matters into my hand and write a proper piece to let you know about the standard door size, especially those of you who are residing in the USA or Canada.

What is door type you are going for?

While buying a door, the door size you will decide is indeed the most important matters at hand. But before that, you need to make sure you know which style you are going for. Because there are frankly quite a lot of different styles and types of doors available out there. So the measurement for your house may change as well. It will depend on the style and the orientation of your usage. So you need to decide on which style excites you the most. Would you go for slab or pre-hung? Or out a wing or in the swing? Make up your mind on that and then start with the measurements. It will seriously eliminate lots of your works later.

What is the Standard Door Size?

Knowing details about the door size will be a little difficult if you have no idea. But To be very honest with you, there is no universal standard door size out there. Because it will always depend on the region, you will be living on. But people have been making houses and doors ever since cavemen left the woods and went into full-on harvesting mood instead of hunting. So we have got a reasonably decent and standardized the matric for a standard size home.

So if you are getting a standard exterior door, the size should be 80 inches by 36 inches. Or an 8 ft. door commonly at most home in the USA. Most of the doors manufactured in the USA or if you prefer making with a woodworker you know, they will likely suggest you make it 80 inches. The width will range in 24 to 36 inches. But it’s your choice if you are custom making the doors. The thickness of the door should be 1/3 inches. Talk to a professional woodworker you know to clear any confusions.

What is the Standard door height?

The typical doors you can find here in the USA may range anywhere between 80 inches or more. While the standard door height measures into the 80 inches here in the USA This may vary from region to region. Like some of my woodworker friends in the UK tend to create doors that are 78 inches in height. Though in Australia, South Africa and India they follow the standard door height of 80 inches.

For a rough opening add 2 5/8 inches more. The additional inches will allow room for the top jamb, shim space, door jamb, and finish flooring. If your choice is a pre-hung door, then keep the opening of door ½ inches to ¾ inches than the actual door. Also, keep the measurement of underlayment and finish flooring.

What is the standard door width?

Standard door width will be depending on how wide you want your door to be. But the standard door width is anywhere from 24 to 36 inches.
It will also be Depending on whether you are getting an interior door or an exterior door. Typical exterior doors you will find there will be 36 inches wide if you don’t make it custom. Because 36 inches is the minimum width required for a disabled person to get through, manufacturers prefer this generally.

You should keep the two inches extra for the rough opening. If you want to get a pre-hung door, then keep the opening 1 to ½ inches wider than the door itself.

Standard door thickness

Standard door thickness is 1 ¾ inch for exterior doors and 1 ⅜ inch for interior doors.

Why should you maintain the standard size of the door?

To replace a door, you must have a proper standard-size door. If you do not follow a standard size door, it’s obvious that it will not fit the opening properly. Measure the door from top to bottom, the thickness and the width. Thickness is very crucial which people tend to forget at times.

Add two inches to the door when you measure as it will help if there is anything wrong. You can always cut the door, but once it’s smaller in size, there is no going back. You will be wasting your hard-earned money on it. That is why maintaining standard size is essential. Also, whenever you measure something, record it in the notebook. That will help the store owner when you buy the door.

Final Words

There won’t be any house without the door. So if you don’t get the standard door size, wide and height right, there is a chance your house won’t be welcoming to a guest who is too tall or maybe disables. Or maybe you have a family member with special needs. So I have tried to give as much information as possible and also the most key information you need regarding this issue in this piece.