Standard Sizes Reference
Comprehensive reference database of standard construction material sizes. Includes rebar diameters and weights, steel sections, pipe sizes, brick/block dimensions, plywood sheets, door and window sizes, and common tile formats.
Comprehensive reference of standard sizes for construction materials including rebar, steel sections, pipes, blocks, and more. Essential for material ordering and specification writing.
| Diameter (mm) | Weight (kg/m) | Area (mm²) | Perimeter (mm) |
|---|---|---|---|
| Ø6 | 0.222 | 28.3 | 18.8 |
| Ø8 | 0.395 | 50.3 | 25.1 |
| Ø10 | 0.617 | 78.5 | 31.4 |
| Ø12 | 0.888 | 113.1 | 37.7 |
| Ø14 | 1.208 | 153.9 | 44 |
| Ø16 | 1.578 | 201.1 | 50.3 |
| Ø20 | 2.466 | 314.2 | 62.8 |
| Ø25 | 3.853 | 490.9 | 78.5 |
| Ø32 | 6.313 | 804.2 | 100.5 |
| Ø40 | 9.864 | 1256.6 | 125.7 |
Common Usage
- Ø8-10: Stirrups, light slabs
- Ø12-16: Slabs, beams
- Ø20-25: Columns, heavy beams
- Ø32-40: Foundations, piles
Weight Formula
Weight (kg/m) = (d² × π × 7850) / 4,000,000
Where d = diameter in mm, 7850 = steel density kg/m³
Download Complete Reference Guide
Get printable PDF with all standard sizes for quick reference on site
Notes:
- Sizes shown are standard metric dimensions
- Actual availability may vary by region and supplier
- Always verify dimensions with manufacturer specifications
- Custom sizes may be available on special order
- Consider tolerances for fitting and installation
REFERENCE INFORMATION
This tool provides standard reference data compiled from industry sources.
Note:
• Data is provided for quick reference and may not reflect the most current standards or specifications.
About This Calculator
The Standard Sizes Reference provides engineers, quantity surveyors, and procurement teams with a comprehensive database of standard construction material dimensions used across UAE and Gulf projects. Look up rebar diameters and unit weights, structural steel section properties, pipe and conduit sizes, masonry dimensions, sheet materials, and architectural elements. Essential for accurate material takeoffs, specification writing, and procurement planning.
When to Use This Calculator
- Looking up rebar diameters and unit weights for quantity calculations
- Finding structural steel section properties (I-beams, channels, angles)
- Verifying pipe and conduit sizes for MEP coordination
- Checking standard masonry block dimensions for wall takeoffs
- Specifying door, window, and tile sizes in procurement documents
How to Use This Calculator
Select Material Category
Choose from reinforcement, structural steel, pipes, masonry, sheet materials, or architectural elements.
Browse Standard Sizes
View available sizes with dimensions, cross-sectional areas, and unit weights.
Check Properties
See detailed properties like moment of inertia, section modulus, and radius of gyration for steel sections.
Export for Procurement
Use standardized nomenclature for accurate material ordering and specification.
Typical Scenarios in UAE & Gulf Projects
Quantity surveyor prepares rebar schedule for high-rise columns and beams. Uses reference to look up unit weights (Y32 = 6.313 kg/m, Y25 = 3.854 kg/m) and cross-sectional areas for accurate tonnage calculations and procurement orders.
Structural engineer specifies steel sections for industrial warehouse. Uses reference to verify section properties (UC 305x305x97 moment of inertia, section modulus) and confirm availability of sizes with local steel suppliers.
Frequently Asked Questions
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Last Updated: January 2026
Standards Reference: BS 4449 Rebar, BS EN 10025 Steel Sections, BS EN 771 Masonry Units, ASTM A615