Standard Door Sizes Chart: Full Guide for Residential & Commercial Projects
Why Door Size Matters
When designing or renovating a building, selecting the correct door size is critical for both functionality and compliance with local building codes. Whether for a residential home, commercial space, or industrial facility, understanding standard door dimensions can help avoid costly rework and ensure a perfect fit.
At Zonle Doors, we manufacture and customize doors for global markets. This article will guide you through common door sizes by region, material, and use case—and show you how to choose the right size for your project.
1. Common Residential Door Sizes
In most residential buildings, single swing doors are the most common type. While custom sizes are widely available, standard dimensions still dominate global use.
Typical Single Door Sizes (Residential):
| Region | Width (mm) | Height (mm) | Notes |
|---|---|---|---|
| USA / Canada | 762 / 813 / 914 | 2032 | Inches: 30" / 32" / 36" × 80" |
| Europe | 700–900 | 1980–2040 | Varies by country |
| Middle East / GCC | 900 | 2100 | May vary in villas vs. apartments |
| China (Export Std.) | 860 / 900 / 1000 | 2050 / 2100 | Default for wood & steel doors |
2. Standard Commercial Door Sizes
Commercial and public-use buildings require wider and taller doors for traffic flow and code compliance.
Typical Commercial Sizes:
| Door Type | Width (mm) | Height (mm) | Application |
|---|---|---|---|
| Single Swing | 900–1200 | 2100–2400 | Offices, hospitals, schools |
| Double Door | 1200–1800 | 2100–3000 | Lobbies, malls, hotels |
| Fire Exit | 900 / 1200 | 2100 / 2400 | UL / BS Fire-rated applications |
- Fire door sizes must comply with UL 10C or BS 476
- Double doors may include inactive leaf or panic bar system
3. Standard Thickness of Doors
| Material | Standard Thickness (mm) | Notes |
|---|---|---|
| WPC | 35 / 40 / 45 | For residential or waterproof needs |
| Wooden | 40 / 45 | Solid core or engineered wood |
| Steel | 45 / 50 | Security or fireproof applications |
| Iron | 50–70 | Luxury forged or custom doors |
4. International Size Standards We Support
Zonle Doors manufactures products compliant with:
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🇺🇸 ANSI/NFPA/UL
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🇪🇺 EN 14351-1
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🇸🇦 SASO / GCC regional codes
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🇨🇳 GB/T 5824 (Chinese door opening standard)
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ISO 3008 / ISO 10140-2 for fire & acoustic testing
5. How to Measure a Door Correctly
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Width – Measure from left to right inside the frame
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Height – From floor to top edge of the frame
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Thickness – The side edge of the door leaf
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Wall Depth – For frame compatibility
Always measure at three points (top/middle/bottom) to account for irregularities.
6. Need Custom Sizes?
At Zonle Doors, we offer OEM/ODM services for non-standard openings, including:
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Arched, French, and pivot doors
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Oversized commercial entries (up to 3m × 3m)
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Fire-rated and soundproof custom doors
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Match-specific project blueprints or AutoCAD files
📩 Send us your drawings now and receive a quotation within 24 hours.
Frequently Asked Questions (FAQs)
Q: Can I use a standard steel door in a residential villa?
A: Yes. We offer elegant designs for residential projects using standard 900 × 2100 mm dimensions.
Q: What’s the maximum size for a wrought iron door?
A: Our custom iron doors can go up to 3000 mm in height and 1800 mm in width (double leaf).
Q: Do you offer size consulting based on regional codes?
A: Yes. Our sales engineers provide support for GCC, NA, and EU projects.
Ready to Get the Right Size?
Let us help you choose or design the perfect door—standard or custom.
👉 Request a Quote Now and Talk to Our Experts