How much steel required for 1000 sq ft slab?
                     Steel in Slab Construction
Understanding the essential role of steel in modern construction, 
especially for slabs, is crucial for any project. This presentation will 
break down steel requirements, factors affecting consumption, and 
how to ensure quality sourcing.
Why Steel is Crucial in Slab Construction
A slab, forming floors or ceilings, is typically made of Reinforced 
Cement Concrete (RCC). Concrete handles compression, while steel 
reinforcement bars (rebars) manage tensile and flexural stresses from 
loads, movements, and environmental changes.
Steel Quantity for 1000 sq ft Slab
As a general guideline, the average steel consumption in an RCC slab ranges from 3.5 to 4.5 kg per sq ft of built-
up area. For residential constructions in India, 4 kg per sq ft is commonly used as the baseline.
Calculation for 1000 sq ft Slab:
Steel Required = Slab Area (sq ft) × Steel Consumption Rate (kg/sq ft)
Using 4 kg/sq ft: 1000 sq ft × 4 kg/sq ft = 4000 kg (4 MT)
Steel Calculation Chart for Slabs
Slab Area (sq ft) Steel Required (kg) Steel Required (MT)
500 sq ft 2000 kg 2.0 MT
750 sq ft 3000 kg 3.0 MT
1000 sq ft 4000 kg 4.0 MT
1200 sq ft 4800 kg 4.8 MT
1500 sq ft 6000 kg 6.0 MT
2000 sq ft 8000 kg 8.0 MT
Note: These are approximate values based on a 4 kg/sq ft rate. Always consult a structural engineer for precise estimation.
Factors Affecting Steel Quantity
Slab Thickness Bar Diameter & Spacing
Thicker slabs need more steel for added load-bearing. Different rebar diameters and closer spacing 
increase steel needs.
Type of Structure Live & Dead Loads
Multi-storey buildings require more reinforcement. Expected loads influence the required steel quantity.
Cost Estimation & Steel Type
Cost for 1000 sq ft Slab Recommended Steel Type
Assuming steel at ₹60/kg: 4000 kg × ₹60/kg = ₹2,40,000TMT (Thermo-Mechanically Treated) bars are 
widely used for slab reinforcement due to:
Actual prices vary by brand, grade, location, and 
market conditions. • High strength & elongation
• Corrosion & earthquake resistance
• Weldability & bendability
Reducing Wastage & Pro Tips
1 Reduce Wastage 2 Pro Tips for Planning
• Use accurate bar bending schedules (BBS). • Involve a licensed structural engineer.
• Order pre-cut/pre-bent bars. • Use standard bar spacing (e.g., 6″–8″ c/c).
• Store rebars properly to avoid rusting. • Ensure proper concrete curing.
• Avoid excessive overlaps and splicing. • Double-check steel overlap lengths.
Your Trusted Partner: Ferrite Structural Steel
Ferrite Structural Steel Pvt Ltd offers high-grade, IS 1786 compliant TMT bars and other steel products for RCC construction.
Quality Assurance Timely Delivery Reliable Sourcing
IS 1786 compliant steel in Bulk supply with custom-cut Ensuring optimal sizing and 
various diameters (8mm to services across India. cutting services to reduce 
32mm). wastage.
Choose Ferrite Structural Steel for the right quantity, quality, and price for your construction needs.