sizeandspec

Standard door sizes

80 × 36 in203 × 91 cm

A standard U.S. interior door is 80 in tall (6 ft 8 in) and 30 or 32 in wide. A standard front door is 36 × 80 in (91 × 203 cm).

36 × 80 in front door drawn to scale next to a 5 ft 9 in person 5 ft 9 in person 36 × 80 in 36 in91.4 cm 80 in2.03 m
36 × 80 in front door drawn to scale next to a 5 ft 9 in person

Measurements

Common door sizes
DoorWidthHeightRough opening
Interior (closet)24 in80 in26 × 82 1/2 in
Interior (bedroom)30 in80 in32 × 82 1/2 in
Interior (accessible)36 in80 in38 × 82 1/2 in
Exterior (front)36 in80 in38 × 82 1/2 in
Double / French60–72 in80 in62–74 × 82 1/2 in

Rough opening for a prehung door is usually door width + 2 in and door height + 2 1/2 in. Always confirm with the door manufacturer.

What to know

The 2010 ADA Standards require at least 32 in of clear width with the door open 90°, which usually means a 36 in door.

Questions people ask

How tall is a standard door?

80 in (6 ft 8 in, 203 cm). Newer homes sometimes use 96 in (8 ft) doors with 9 or 10 ft ceilings.

Related sizes

Sources and method

  • 2010 ADA Standards for Accessible Design, 404.2.3 Clear Width

Imperial and metric values are converted with 1 in = 25.4 mm exactly and rounded only for display. Found a mistake? Report it and we will correct the page.