Doors for Your Home-What Size?

by Julie

On the doors for your home, the following are standard door sizes:

  • The words common and standard will be used interchangeably.   It basically means that the manufacturers run these sizes all day long. The sizes listed are the standard door sizes.
  • Standard means not ‘custom’ made.
  • Stock doors are available ‘off the shelf’.  It simply means that you could walk out of the supplier’s store with that door in hand, because they have it in stock.  The stock sizes that any particular supplier might carry will vary by region and supplier.  Each market is a little different.
  • In our market, stock sizes for interior doors are:

Passage doors:  1-6, 2-0, 2-4, 2-6, 2-8, and 3-0.

Bifold doors: 4-0, 5-0 and 6-0.

Measurement Lingo

There are several different ways that you will see and hear door measurements. The list below shows the various written measurements for an interior door that is 2′-6″ wide and is 6′-8″ tall with a right handing:

2-6 by 6-8. I will use this throughout because I find it easier to read.

2′-6″ x 6′-8″. Technically the most correct.

2668 RH. Written this way on most door quotes.

RH or LH. Stands for right hand or left hand (See below for a neat trick to determine handing)

32″ x 80″ x 1-3/8″. This is written on the package or sticker at home improvement stores only, geared to the homeowner. The 1-3/8″ indicates that it is an interior door.

Verbally, doors are referred to as ‘two six by six eight’ or just by the inches, depending on who’s talking.

Rough Openings

  • First, this really is a decision for your builder or other building professional to make!  There are variables affecting this choice and mistakes in this regard could be costly.  Having said that, I will just give a quick overview of common practice.
  • Rough openings are the size of the opening made during framing for each door unit.  They are bigger than the unit itself to allow for the jamb, shimming, installation and flooring.
  • Generally, add 2″ to the width and 2-1/2″ to the height of the door.
  • Bifold, bypass and pocket doors all require unique openings and/or hardware.  For your builder to decide.

Custom Sizes

  • Custom sizes-when ordered thru a manufacturer- are achieved by trimming a standard size door.  This means that the stile (the flat panel along the edge) will be narrowed.  Sometimes, a standard size bore (hole) will not fit the narrower stile.  Pay attention here should you choose a custom size.
  • Custom sizes cost more than standard.
  • Custom doors can also be made by a mill shop.  A mill shop can make any door for your home, any size in any shape that you want.

Hope this helps you become familiar with the standard door sizes.  There’s a lot to know about doors and having the door information upfront really helps.

Consider the Complete Guide to Buying Interior Doors.


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