| Benchmark category | Metric value | Imperial value | Type | Primary basis |
|---|---|---|---|---|
| Accessible clear opening width at doors | 815 mm | 32 in | Minimum | ADA Standards for Accessible Design (US) |
| Clear opening measurement rule | Door open 90°, face of door to opposite stop | Door open 90°, face of door to opposite stop | Measurement method | ADA / US Access Board guidance |
| Projection into clear width below handle height | No projection below 864 mm | No projection below 34 in | Minimum clearance condition | US Access Board door and gate guidance |
| Maneuvering clearance – front approach, pull side | 1525 mm perpendicular; 455 mm parallel on latch side | 60 in perpendicular; 18 in parallel on latch side | Minimum | ADA maneuvering clearances table |
| Maneuvering clearance – front approach, push side (no closer) | 1220 mm perpendicular; 0 mm parallel | 48 in perpendicular; 0 in parallel | Minimum | ADA maneuvering clearances table |
| Maneuvering clearance – front approach, push side (with closer & latch) | 1220 mm perpendicular; 305 mm parallel on latch side | 48 in perpendicular; 12 in parallel on latch side | Conditional minimum | ADA maneuvering clearances table |
| Maneuvering clearance – hinge side, pull | 1525 mm perpendicular; 915 mm parallel | 60 in perpendicular; 36 in parallel | Minimum | ADA maneuvering clearances table |
| Maneuvering clearance – hinge side, pull (alternate) | 1370 mm perpendicular; 1065 mm parallel | 54 in perpendicular; 42 in parallel | Minimum | ADA maneuvering clearances table |
| Maneuvering clearance – latch side, pull | 1220 mm perpendicular; 610 mm parallel | 48 in perpendicular; 24 in parallel | Minimum | ADA maneuvering clearances table |
| Common-practice “comfortable” doorway width (non‑code) | 900–1000 mm | 35–39 in | Practice recommendation | Secondary industry sources (not code) |
For accessible doorway width requirements under the ADA Standards for Accessible Design in the United States, the minimum clear opening is 815 mm (32 in) when the door is open 90 degrees, measured from the face of the door to the opposite stop. This 815 mm (32 in) clear width is a legal floor for accessibility compliance, not a comfort target; many designers treat 915–965 mm (36–38 in) clear openings as best practice where walls allow.
Accessible doorway width requirements (ADA clear opening)
| Item | Metric value | Imperial value | Type | Basis |
|---|---|---|---|---|
| Minimum accessible clear opening at door | 815 mm | 32 in | Minimum | ADA Standards for Accessible Design, 2010 (US) |
| Common practice “comfortable” clear opening (non‑code) | 900–1000 mm | 35–39 in | Practice recommendation | Secondary industry guidance, not a standard |
| No projections into clear width below handle zone | No projection below 864 mm | No projection below 34 in | Minimum clearance condition | US Access Board doors and gates guidance |
By code, accessible doorway width requirements in the US pivot on one number: 815 mm (32 in) clear. That is the smallest legal clear opening for an accessible door under the ADA when measured correctly. It is not a design target.
At 815 mm (32 in) clear, a standard wheelchair fits, but everything has to line up perfectly. Off‑angle approaches, a backpack on the chair, or someone walking alongside all start to hurt. If you have the wall length, setting your nominal door so you get 915 mm (36 in) clear opening is the sensible default; 965–1015 mm (38–40 in) clear feels generous in real use and makes strollers, walkers, and luggage as effortless as wheelchairs.
Pay attention to projections. Below 864 mm (34 in) from the floor, nothing is allowed to project into the required clear width. That means trim, stops, decorative panels, or barn door tracks cannot chew into the 815 mm (32 in) that is supposed to belong to the user.
How to measure accessible doorway clear opening
| Item | Metric description/value | Imperial description/value | Type | Basis |
|---|---|---|---|---|
| Measurement plane | Door open 90° to the frame | Door open 90° to the frame | Measurement method | ADA / US Access Board guidance |
| Clear width points | From face of door (on latch side) to opposite stop | From face of door (on latch side) to opposite stop | Measurement method | ADA / US Access Board guidance |
| Hardware and trim below 864 mm height | No intrusion into required clear width | No intrusion into required clear width below 34 in | Minimum clearance condition | US Access Board doors and gates guidance |
The ADA clear opening is not the door leaf size. It is the usable slot left once the door is open 90 degrees, measured from the door face to the hard stop on the opposite jamb. That detail quietly kills a lot of “32 in door” specs that never yield 815 mm (32 in) clear.
Nominal door sizes, thick applied trim, and swing direction all matter. A 813 mm (32 in) nominal door almost never delivers 815 mm (32 in) clear; you generally need at least a 864 mm (34 in) or 914 mm (36 in) leaf, depending on frame type, hinges, and stops. On tight renovations, mock this up or model it precisely. If you give away a few millimetres to casing and decorative details, you are stealing them from the user’s shoulders and wheels.
Door maneuvering clearances (approach side matters as much as width)
| Approach type | Metric minimum – perpendicular | Metric minimum – parallel (latch side) | Imperial minimum – perpendicular | Imperial minimum – parallel (latch side) | Type | Basis |
|---|---|---|---|---|---|---|
| Front approach, pull side | 1525 mm | 455 mm | 60 in | 18 in | Minimum | ADA maneuvering clearances table |
| Front approach, push side (no closer) | 1220 mm | 0 mm | 48 in | 0 in | Minimum | ADA maneuvering clearances table |
| Front approach, push side (with closer & latch) | 1220 mm | 305 mm | 48 in | 12 in | Conditional minimum | ADA maneuvering clearances table |
| Hinge side, pull | 1525 mm | 915 mm | 60 in | 36 in | Minimum | ADA maneuvering clearances table |
| Hinge side, pull (alternate configuration) | 1370 mm | 1065 mm | 54 in | 42 in | Minimum | ADA maneuvering clearances table |
| Latch side, pull | 1220 mm | 610 mm | 48 in | 24 in | Minimum | ADA maneuvering clearances table |
Clear opening is only half the story. The ADA maneuvering clearances are what let a wheelchair actually reach, open, and go through a door.
On the pull side with a front approach, you need a 1525 mm by 1525 mm (60 in by 60 in) box and at least 455 mm (18 in) of clear wall on the latch side of the door. That 455 mm (18 in) strip is where the chair sits while the user pulls the door open. Remove it with a cabinet, return wall, or console table, and you can “meet” 815 mm (32 in) clear width while making the door functionally unusable.
On the push side, a closer and latch change the rules. With both in place, you must add 305 mm (12 in) of parallel clearance on the latch side so a user can get alongside the door as it swings away. Designers who chase minimum door width for wheelchair access and then ignore these approach rectangles are not doing accessible design; they are doing paperwork.
Residential and universal design implications
| Context | Metric dimension | Imperial dimension | Type | Basis |
|---|---|---|---|---|
| Code-backed accessible clear opening (residential projects covered by ADA/ADA-like rules) | 815 mm | 32 in | Minimum | ADA Standards for Accessible Design (US) |
| Common residential “good practice” clear opening | 915–1015 mm | 36–40 in | Practice recommendation | Industry convention; not prescribed in gathered codes |
| Common narrow interior door leaves in older housing (not accessible) | 710–760 mm nominal leaf | 28–30 in nominal leaf | Typical existing condition | Market practice; not an accessibility benchmark |
For ordinary houses, the gathered sources do not show a separate, formal residential standard that beats the ADA’s 815 mm (32 in) clear opening. Legally, that is still the anchor when accessibility rules apply.
Functionally, 710–760 mm (28–30 in) interior doors that fill older housing stock are a problem the day anyone uses a wheelchair, walker, or even a wide rolling suitcase. If you are opening walls or re-framing anyway, treating 915 mm (36 in) clear opening as the default is not generosity; it is basic future‑proofing. Many practitioners push toward 965–1015 mm (38–40 in) clear where corridors and structure allow because those extra centimetres are cheap on paper and very expensive to find after the drywall is up.
So-called “accessible” pocket and barn doors often fail both width and maneuvering rules. Tracks, overlapping panels, and recessed pulls eat into clear width, and the hardware is frequently hard to grip. If the project genuinely cares about accessibility, a straightforward swing door sized for at least 915 mm (36 in) clear, with lever hardware and the ADA maneuvering rectangles honoured, is the reliable path.
Methodology and sources
All numeric benchmarks in this dataset trace back to named standards or clearly identified practice sources:
- ADA Standards for Accessible Design (2010) – the primary source for the 815 mm (32 in) minimum clear opening at doors and the maneuvering clearance dimensions cited here. These standards are legally binding for covered public accommodations and commercial facilities in the United States.
- US Access Board guidance on doors and gates – commentary and diagrams that clarify how clear width is measured (door at 90 degrees, face to opposite stop) and what can project into the clear opening. The guidance consulted was noted as last updated in 2026 but refers back to the existing ADA requirements, not a new width minimum.
- Secondary industry sources – trade publications and practice guides that repeat 900 mm (35 in) and 1000 mm (39 in) as preferred or “comfortable” accessible door widths. In the gathered material these appear only as recommendations, not as clauses in any national code or accessibility standard.
Jurisdictions differ. The values shown here are grounded in United States federal accessibility standards. Other countries use their own accessibility codes and building regulations, which may set different minimum door widths and maneuvering clearances. Before construction or permit submission, designers should confirm requirements against the applicable local building code and national accessibility standard rather than assuming ADA figures apply.
Mini-FAQ on accessible doorway width requirements
What is the minimum door width for wheelchair access under ADA?
The ADA minimum clear opening for a wheelchair-accessible door is 815 mm (32 in), measured with the door open 90 degrees from the door face to the opposite stop. This is a legal minimum, not a comfort or best‑practice width.
Is a 813 mm (32 in) nominal door leaf ADA compliant?
Not by default. The ADA measures clear opening, not leaf size. A 813 mm (32 in) nominal door typically yields less than 815 mm (32 in) clear between the door face and opposite stop, so a larger leaf (often 864–914 mm / 34–36 in) is usually required to achieve the minimum clear opening.
Do wider doors remove the need for maneuvering clearances?
No. Even a very wide door still needs the maneuvering rectangles in front of and beside it. The ADA’s 1525 mm by 1525 mm (60 in by 60 in) front approach on the pull side and the 455 mm (18 in) latch‑side clearances remain minimums regardless of door width.
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