Question: How tall should my door be?

In both commercial buildings and residential homes, the standard door height is 80 inches, which is typically required by building codes. Door widths vary more frequently, but you can find an average exterior standard door width of 36 inches, and an average interior standard door width of between 28 and 32 inches.

What is the best height for a door?

The height of common doors is 6 feet 8 inches. The standard height of the rough opening for a door is the door height plus 2 5/8 inches. The additional room allows for a 3/4-inch top jamb, a shim space above the door jamb and the thickness of underlayment and finish flooring.

What is the most common interior door size?

The standard door width can vary, since there is a ton of variety in sizes and styles of doors. But the standard common door width for US homes is 36 inches. Other very easy-to-find sizes are 30 and 32 inches.

What size opening do I need for a 30 inch door?

Measurements For Rough Opening

Rough Opening Width Rough Opening Height Door Size to Order
27.75″ – 29″ 81.5″ – 83″ 26″
29.75″ – 31″ 81.5″ – 83″ 28″
31.75″ – 33 81.5″ – 83″ 30″
33.75″ – 35″ 81.5″ – 83″ 32″

How much bigger should a door jamb be than the door?

A basic rule of thumb is to make the rough opening 2 inches wider and 2 1/2 inches taller than the door.

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What is a standard door thickness?

The standard door thickness for interior doors is 1 ⅜ inches, though if your interior door is taller than 80 inches or wider than 36 inches, the recommended thickness by building codes increases to 1 ¾ inches. Closet doors are narrower and aren’t required to meet the standard interior door building codes.