Door Size Calculator
Pick the opening and get the right leaf size in mm and feet, the frame (chowkat) outer size, the swing clearance and a wheelchair clear-width check — aligned to NBC 2016 and common Indian practice. Indicative for 2026; always confirm your local bye-law.
Your opening
Often 3.5' × 7'; the largest door in the home. Standard door height is 2100 mm (7'); the frame adds ~50–75 mm and the threshold should be ≤ 12 mm for accessibility. Sizes are indicative and vary by city, vendor and design — confirm before ordering.
Recommended leaf size
0 × 0 mm
Main / entrance · frame (chowkat) 1,180 mm × 2,165 mm outer
Leaf W × H
1,050 mm × 2,100 mm
Frame outer
1,180 mm × 2,165 mm
leaf + ~65 mm/side
Clear width
960 mm
actual passage
Swing clearance
1,050 mm
floor radius to keep free
Your opening's leaf width (terracotta) vs the other room types. Indicative — verify local bye-law.
Plan every door in your home
DesignAI sizes and positions doors for your plan — swing direction, clearances, material and Vastu — across the whole home.
Go deeper
For the full reference on door dimensions, frame allowances, NBC widths and room-by-room charts, read our guide to door size standards in India.
Related Guides — Deep-dive reading
Door Size Standards in India: Standard Door Sizes by Room (mm & feet), NBC 2016 Widths & Frame Allowances
The complete dimensional reference for every door in an Indian home — standard sizes for main, bedroom, bathroom, kitchen and utility doors in millimetres and feet, the universal 2100 mm height, frame and swing allowances, NBC 2016 widths and the accessible clear-width rule.
Home Doors & EntrancesAccessibility Standards for Residential Lifts (India)
The standards reference for an accessible home lift — RPwD Act 2016 and the CPWD Harmonised Guidelines, with the exact dimensions and why each one matters
Home Lifts & AccessibilityDesigning Adaptable & Universal-Design Homes
Accessibility, Aging-in-Place, and the Multi-Stage Family — Code, Anthropometrics, and Plan-Stage Discipline for Indian Residential Architects
Room PlanningRelated Tools — You may also find these useful
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