Standard door dimensions for the US, UK, EU, Australia, Canada, and Japan. Interior, exterior, ADA, and building-code sizes — width and height in inches and centimeters.
Last updated: February 23, 2026
| Country | Standard Width | Height | Governing Standard |
|---|---|---|---|
| United States | 32″ (813 mm) | 80″ (2032 mm) | International Residential Code (IRC 2021) |
| United Kingdom | 30″ (762 mm) | 78″ (1981 mm) | BS 4787 (British Standards) |
| European Union (DIN) | 33.9″ (860 mm) | 82.7″ (2100 mm) | DIN 18101 / EN 14351 |
| Australia | 32.3″ (820 mm) | 80.7″ (2040 mm) | AS 1428.1 / National Construction Code (NCC) |
| Canada | 32″ (813 mm) | 80″ (2032 mm) | National Building Code of Canada (NBC) |
| Japan | 27.6″ (700 mm) | 78.7″ (2000 mm) | JIS A 4702 / Building Standards Act |
Standard: International Residential Code (IRC 2021) · Accessibility: ADA Standards for Accessible Design
| Interior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard InteriorMost common residential interior door | 32 | 813 | 80 | 2032 |
| Narrow InteriorClosets, utility rooms | 28 | 711 | 80 | 2032 |
| Wide InteriorMaster bedroom, accessible | 36 | 914 | 80 | 2032 |
| Exterior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard EntryMost common front door | 36 | 914 | 80 | 2032 |
| Wide EntryCustom or luxury homes | 42 | 1067 | 80 | 2032 |
| Double EntryTwo 36-inch doors | 72 | 1829 | 80 | 2032 |
Accessibility minimum clear width: 32″ (813 mm)
Standard: BS 4787 (British Standards) · Accessibility: Building Regulations Part M
| Interior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard InteriorMost common (2'6" x 6'6") | 30 | 762 | 78 | 1981 |
| Wide InteriorLiving rooms, bedrooms (2'9") | 33 | 838 | 78 | 1981 |
| Narrow InteriorSmall bathrooms, cupboards | 24 | 610 | 78 | 1981 |
| Exterior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard EntryMost common front door | 33 | 838 | 78 | 1981 |
| Wide EntryAccessible entry | 36 | 914 | 78 | 1981 |
Accessibility minimum clear width: 30.5″ (775 mm) — Part M minimum; 800 mm recommended
Standard: DIN 18101 / EN 14351 · Accessibility: EN 17210 (Accessibility)
| Interior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard InteriorDIN standard single leaf | 33.9 | 860 | 82.7 | 2100 |
| Narrow InteriorBathrooms, utility | 29.5 | 750 | 82.7 | 2100 |
| Wide InteriorAccessible rooms | 37.4 | 950 | 82.7 | 2100 |
| Exterior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard EntryCommon entry door | 39.4 | 1000 | 82.7 | 2100 |
| Double EntryDouble leaf entry | 55.1 | 1400 | 82.7 | 2100 |
Accessibility minimum clear width: 31.5″ (800 mm) — EN 17210 accessible clear width
Standard: AS 1428.1 / National Construction Code (NCC) · Accessibility: AS 1428.1 (Access and Mobility)
| Interior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard InteriorMost common residential | 32.3 | 820 | 80.7 | 2040 |
| Wide InteriorLiving areas | 35.4 | 900 | 80.7 | 2040 |
| Narrow InteriorLaundry, storage | 28.3 | 720 | 80.7 | 2040 |
| Exterior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard EntryStandard front door | 35.4 | 900 | 80.7 | 2040 |
| Wide EntryAccessible or custom entry | 39.4 | 1000 | 82.7 | 2100 |
Accessibility minimum clear width: 33.1″ (840 mm) — AS 1428.1 minimum clear opening
Standard: National Building Code of Canada (NBC) · Accessibility: CSA B651 (Accessible Design)
| Interior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard InteriorSame as US IRC standard | 32 | 813 | 80 | 2032 |
| Narrow InteriorClosets, utility | 28 | 711 | 80 | 2032 |
| Wide InteriorAccessible, master bedroom | 36 | 914 | 80 | 2032 |
| Exterior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard EntryNBC minimum entry door | 34 | 864 | 80 | 2032 |
| Wide EntryCommon upgrade size | 36 | 914 | 80 | 2032 |
Accessibility minimum clear width: 32″ (813 mm) — CSA B651 accessible doorway minimum
Standard: JIS A 4702 / Building Standards Act · Accessibility: Barrier-Free Law (Heartful Building Law)
| Interior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard InteriorCommon residential sliding/hinged | 27.6 | 700 | 78.7 | 2000 |
| Wide InteriorLiving room, accessible | 31.5 | 800 | 78.7 | 2000 |
| Fusuma (Sliding)Traditional sliding partition | 35.4 | 900 | 70.9 | 1800 |
| Exterior Doors | Width (in) | Width (mm) | Height (in) | Height (mm) |
|---|---|---|---|---|
| Standard EntryTypical genkan entry | 31.5 | 800 | 78.7 | 2000 |
| Wide EntryModern or accessible | 35.4 | 900 | 78.7 | 2000 |
Accessibility minimum clear width: 31.5″ (800 mm) — Barrier-Free Law minimum for accessible buildings
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