| Primary value | 0.90 m |
| Applies to | Accessible bathroom doors · Accessible building entries · Doors on accessible routes |
| Exceptions | Door height → 2.0 m min |
| Measured as | Clear width when the door is open at 90° — measured between the door face and the stop on the strike-side jamb. |
| Source | IS 4963 — Section 4 📚 Cross-referenced |
0.90 m is the minimum width through which a standard wheelchair (700 mm) can pass with hand clearance. Below this, users can't fit through without scraping.
All accessible-route doors and accessible bathroom doors must meet 0.9 m clear opening — note this is the CLEAR opening, not the door size, so the actual door leaf may need to be 0.95-1.0 m to account for stops and offsets.